About Gold Jewellery | World Gold Council (2024)

Different Gold Colours

Yellow gold jewellery is still the most popular colour, but today gold is available in a diverse palette. The process of alloying—mixing other metals with pure 24 carat gold—gives malleable gold more durability, but can also be used to change its colour.

White gold is created through alloying pure gold with white metals such as palladium or silver. In addition it is usually plated with rhodium to create a harder surface with a brighter shine. White gold has become the overwhelming choice for wedding bands in the US.

The inclusion of copper results in the soft pink complexion of rose gold while the more unusual colours such as blue and purple can be obtained from the addition of patinas or oxides on the alloy surface. Black gold for example derives its colour from cobalt oxide.

Gold Carat

The weight of gold is measured in troy ounces (1 troy ounce = 31.1034768 grams), however its purity is measured in ‘carats’.

‘Caratage’ is the measurement of purity of gold alloyed with other metals. 24 carat is pure gold with no other metals. Lower caratages contain less gold; 18 carat gold contains 75 per cent gold and 25 per cent other metals, often copper or silver.

The minimum caratage for an item to be called gold varies by country. In the US, 10 carat is the legal minimum accepted standard of gold caratage, 14 carat being the most popular. In France, the UK, Austria, Portugal and Ireland, 9 carat is the lowest caratage permitted to be called gold. In Denmark and Greece, 8 carat is the legal minimum standard.

Gold Purity

Fineness is another way of expressing the precious metal content of goldjewellery, and represents the purity in parts per thousand. When stamped on jewellery, usually this is stated without the decimal point.

This chart shows some examples of the composition of various caratages of gold.

CaratageGold(Au)Silver (Ag)Copper (Cu)Zinc (Zn)Palladium (Pd)
Yellow Gold9k37.5%42.50%20%
Yellow Gold10k41.70%52%6.30%
Yellow Gold14k58.30%30%11.70%
Yellow Gold18k75%15%10%
Yellow Gold22k91.70%5%2%1.30%
White Gold9k37.5%62.5%
White Gold10k41.7%47.4%0.9%10%
White Gold14k58.30%32.20%9.50%
White Gold18k75%25% (or Pt)
White Gold22kN/AN/AN/AN/AN/A
Rose Gold9k37.5%20%42.5%
Rose Gold10k41.70%20%38.3%
Rose Gold14k58.30%9.2%32.5%
Rose Gold18k75%9.2%22.2%
Rose Gold22k91.7%8.40%

Notes:

The alloying metal compositions aboveare typical of those used by the jewellery industry to arrive at the colour/caratage combinations shown, but these are not the only ways to arrive at these combinations.

White gold compositions listed here are nickel free. Nickel-containing white gold alloys form a small/very small percentage of white gold alloys and generally contain other base metals such as copper and zinc.

The following are the common standards of fineness that are used:

.375 = 9 carat (England and Canada)

.417 = 10 carat

.583 (.585) = 14 carat

.750 = 18 carat

.833 = 20 carat (Asia)

.999 (1000) = 24 carat pure gold

Strictly speaking, 14 carat should be 583 (14/24 = .583333), but most manufacturers have adopted the European practice of making 14 carat gold slightly over 14 carat. Thus, the fineness mark is 585 in most 14 carat gold jewellery.

Similarly, 24 carat should be 1.0 (24/24 = 1.00). However, in practice, there is likely to be a very slight impurity in any gold, and it can only be refined to a fineness level of 999.9 parts per thousand. This is stated as 999.9.

Accepted tolerances on purity vary from market to market. In China, Chuk Kam (which is Cantonese for ‘pure gold’ or literally ‘full gold’) still comprises the majority of sales and is defined as 99.0 per cent minimum gold, with a 1.0 per cent negative tolerance allowed.

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  6. Gold Fineness and Composition:onsists of 75% gold and 25% other metals, like copper or silver. Different countries have varying minimum carat standards, such as 10 carat in the US and 9 carat in some European nations.

  7. Gold Fineness and Composition: Finenesssts of 75% gold and 25% other metals, like copper or silver. Different countries have varying minimum carat standards, such as 10 carat in the US and 9 carat in some European nations.

  8. Gold Fineness and Composition: Fineness expressesf 75% gold and 25% other metals, like copper or silver. Different countries have varying minimum carat standards, such as 10 carat in the US and 9 carat in some European nations.

  9. Gold Fineness and Composition: Fineness expresses goldgold and 25% other metals, like copper or silver. Different countries have varying minimum carat standards, such as 10 carat in the US and 9 carat in some European nations.

  10. Gold Fineness and Composition: Fineness expresses gold contentold and 25% other metals, like copper or silver. Different countries have varying minimum carat standards, such as 10 carat in the US and 9 carat in some European nations.

  11. Gold Fineness and Composition: Fineness expresses gold content per% other metals, like copper or silver. Different countries have varying minimum carat standards, such as 10 carat in the US and 9 carat in some European nations.

  12. Gold Fineness and Composition: Fineness expresses gold content per thousand partsther metals, like copper or silver. Different countries have varying minimum carat standards, such as 10 carat in the US and 9 carat in some European nations.

  13. Gold Fineness and Composition: Fineness expresses gold content per thousand parts. characteristic soft or silver. Different countries have varying minimum carat standards, such as 10 carat in the US and 9 carat in some European nations.

  14. Gold Fineness and Composition: Fineness expresses gold content per thousand parts. For hue. Different countries have varying minimum carat standards, such as 10 carat in the US and 9 carat in some European nations.

  15. Gold Fineness and Composition: Fineness expresses gold content per thousand parts. For instanceifferent countries have varying minimum carat standards, such as 10 carat in the US and 9 carat in some European nations.

  16. Gold Fineness and Composition: Fineness expresses gold content per thousand parts. For instance, 9 carferent countries have varying minimum carat standards, such as 10 carat in the US and 9 carat in some European nations.

  17. Gold Fineness and Composition: Fineness expresses gold content per thousand parts. For instance, 9 carat goldent countries have varying minimum carat standards, such as 10 carat in the US and 9 carat in some European nations.

  18. Gold Fineness and Composition: Fineness expresses gold content per thousand parts. For instance, 9 carat gold in the UK and Canada isountries have varying minimum carat standards, such as 10 carat in the US and 9 carat in some European nations.

  19. Gold Fineness and Composition: Fineness expresses gold content per thousand parts. For instance, 9 carat gold in the UK and Canada is dens have varying minimum carat standards, such as 10 carat in the US and 9 carat in some European nations.

  20. Gold Fineness and Composition: Fineness expresses gold content per thousand parts. For instance, 9 carat gold in the UK and Canada is denotedave varying minimum carat standards, such as 10 carat in the US and 9 carat in some European nations.

  21. Gold Fineness and Composition: Fineness expresses gold content per thousand parts. For instance, 9 carat gold in the UK and Canada is denoted as varying minimum carat standards, such as 10 carat in the US and 9 carat in some European nations.

  22. Gold Fineness and Composition: Fineness expresses gold content per thousand parts. For instance, 9 carat gold in the UK and Canada is denoted as .rying minimum carat standards, such as 10 carat in the US and 9 carat in some European nations.

  23. Gold Fineness and Composition: Fineness expresses gold content per thousand parts. For instance, 9 carat gold in the UK and Canada is denoted as .375.imum carat standards, such as 10 carat in the US and 9 carat in some European nations.

  24. Gold Fineness and Composition: Fineness expresses gold content per thousand parts. For instance, 9 carat gold in the UK and Canada is denoted as .375. Therat standards, such as 10 carat in the US and 9 carat in some European nations.

  25. Gold Fineness and Composition: Fineness expresses gold content per thousand parts. For instance, 9 carat gold in the UK and Canada is denoted as .375. The charttandards, such as 10 carat in the US and 9 carat in some European nations.

  26. Gold Fineness and Composition: Fineness expresses gold content per thousand parts. For instance, 9 carat gold in the UK and Canada is denoted as .375. The chart providedrds, such as 10 carat in the US and 9 carat in some European nations.

  27. Gold Fineness and Composition: Fineness expresses gold content per thousand parts. For instance, 9 carat gold in the UK and Canada is denoted as .375. The chart provided inds, such as 10 carat in the US and 9 carat in some European nations.

  28. Gold Fineness and Composition: Fineness expresses gold content per thousand parts. For instance, 9 carat gold in the UK and Canada is denoted as .375. The chart provided in theh as 10 carat in the US and 9 carat in some European nations.

  29. Gold Fineness and Composition: Fineness expresses gold content per thousand parts. For instance, 9 carat gold in the UK and Canada is denoted as .375. The chart provided in the article showcases as 10 carat in the US and 9 carat in some European nations.

  30. Gold Fineness and Composition: Fineness expresses gold content per thousand parts. For instance, 9 carat gold in the UK and Canada is denoted as .375. The chart provided in the article showcases the compositions of10 carat in the US and 9 carat in some European nations.

  31. Gold Fineness and Composition: Fineness expresses gold content per thousand parts. For instance, 9 carat gold in the UK and Canada is denoted as .375. The chart provided in the article showcases the compositions of various black the US and 9 carat in some European nations.

  32. Gold Fineness and Composition: Fineness expresses gold content per thousand parts. For instance, 9 carat gold in the UK and Canada is denoted as .375. The chart provided in the article showcases the compositions of various car be and 9 carat in some European nations.

  33. Gold Fineness and Composition: Fineness expresses gold content per thousand parts. For instance, 9 carat gold in the UK and Canada is denoted as .375. The chart provided in the article showcases the compositions of various caratagesrat in some European nations.

  34. Gold Fineness and Composition: Fineness expresses gold content per thousand parts. For instance, 9 carat gold in the UK and Canada is denoted as .375. The chart provided in the article showcases the compositions of various caratages of in some European nations.

  35. Gold Fineness and Composition: Fineness expresses gold content per thousand parts. For instance, 9 carat gold in the UK and Canada is denoted as .375. The chart provided in the article showcases the compositions of various caratages of goldopean nations.

  36. Gold Fineness and Composition: Fineness expresses gold content per thousand parts. For instance, 9 carat gold in the UK and Canada is denoted as .375. The chart provided in the article showcases the compositions of various caratages of gold,ions.

  37. Gold Fineness and Composition: Fineness expresses gold content per thousand parts. For instance, 9 carat gold in the UK and Canada is denoted as .375. The chart provided in the article showcases the compositions of various caratages of gold, detailing the.

  38. Gold Fineness and Composition: Fineness expresses gold content per thousand parts. For instance, 9 carat gold in the UK and Canada is denoted as .375. The chart provided in the article showcases the compositions of various caratages of gold, detailing the percentages. Gold Fineness and Composition: Fineness expresses gold content per thousand parts. For instance, 9 carat gold in the UK and Canada is denoted as .375. The chart provided in the article showcases the compositions of various caratages of gold, detailing the percentages of Gold Fineness and Composition: Fineness expresses gold content per thousand parts. For instance, 9 carat gold in the UK and Canada is denoted as .375. The chart provided in the article showcases the compositions of various caratages of gold, detailing the percentages of goldGold Fineness and Composition: Fineness expresses gold content per thousand parts. For instance, 9 carat gold in the UK and Canada is denoted as .375. The chart provided in the article showcases the compositions of various caratages of gold, detailing the percentages of gold, Fineness and Composition: Fineness expresses gold content per thousand parts. For instance, 9 carat gold in the UK and Canada is denoted as .375. The chart provided in the article showcases the compositions of various caratages of gold, detailing the percentages of gold, silverFineness and Composition: Fineness expresses gold content per thousand parts. For instance, 9 carat gold in the UK and Canada is denoted as .375. The chart provided in the article showcases the compositions of various caratages of gold, detailing the percentages of gold, silver,eness and Composition: Fineness expresses gold content per thousand parts. For instance, 9 carat gold in the UK and Canada is denoted as .375. The chart provided in the article showcases the compositions of various caratages of gold, detailing the percentages of gold, silver, coppers and Composition: Fineness expresses gold content per thousand parts. For instance, 9 carat gold in the UK and Canada is denoted as .375. The chart provided in the article showcases the compositions of various caratages of gold, detailing the percentages of gold, silver, copper, oxideposition: Fineness expresses gold content per thousand parts. For instance, 9 carat gold in the UK and Canada is denoted as .375. The chart provided in the article showcases the compositions of various caratages of gold, detailing the percentages of gold, silver, copper, and otherion: Fineness expresses gold content per thousand parts. For instance, 9 carat gold in the UK and Canada is denoted as .375. The chart provided in the article showcases the compositions of various caratages of gold, detailing the percentages of gold, silver, copper, and other metals in Fineness expresses gold content per thousand parts. For instance, 9 carat gold in the UK and Canada is denoted as .375. The chart provided in the article showcases the compositions of various caratages of gold, detailing the percentages of gold, silver, copper, and other metals in different typeseness expresses gold content per thousand parts. For instance, 9 carat gold in the UK and Canada is denoted as .375. The chart provided in the article showcases the compositions of various caratages of gold, detailing the percentages of gold, silver, copper, and other metals in different types ofss expresses gold content per thousand parts. For instance, 9 carat gold in the UK and Canada is denoted as .375. The chart provided in the article showcases the compositions of various caratages of gold, detailing the percentages of gold, silver, copper, and other metals in different types of gold alloyss expresses gold content per thousand parts. For instance, 9 carat gold in the UK and Canada is denoted as .375. The chart provided in the article showcases the compositions of various caratages of gold, detailing the percentages of gold, silver, copper, and other metals in different types of gold alloys.

    expresses gold content per thousand parts. For instance, 9 carat gold in the UK and Canada is denoted as .375. The chart provided in the article showcases the compositions of various caratages of gold, detailing the percentages of gold, silver, copper, and other metals in different types of gold alloys.

4presses gold content per thousand parts. For instance, 9 carat gold in the UK and Canada is denoted as .375. The chart provided in the article showcases the compositions of various caratages of gold, detailing the percentages of gold, silver, copper, and other metals in different types of gold alloys.

  1. ** Cargold content per thousand parts. For instance, 9 carat gold in the UK and Canada is denoted as .375. The chart provided in the article showcases the compositions of various caratages of gold, detailing the percentages of gold, silver, copper, and other metals in different types of gold alloys.

  2. **Standld content per thousand parts. For instance, 9 carat gold in the UK and Canada is denoted as .375. The chart provided in the article showcases the compositions of various caratages of gold, detailing the percentages of gold, silver, copper, and other metals in different types of gold alloys.

  3. **Standards of Ptent per thousand parts. For instance, 9 carat gold in the UK and Canada is denoted as .375. The chart provided in the article showcases the compositions of various caratages of gold, detailing the percentages of gold, silver, copper, and other metals in different types of gold alloys.

  4. Standards of Fineness: Theper thousand parts. For instance, 9 carat gold in the UK and Canada is denoted as .375. The chart provided in the article showcases the compositions of various caratages of gold, detailing the percentages of gold, silver, copper, and other metals in different types of gold alloys.

  5. Standards of Fineness: The articleer thousand parts. For instance, 9 carat gold in the UK and Canada is denoted as .375. The chart provided in the article showcases the compositions of various caratages of gold, detailing the percentages of gold, silver, copper, and other metals in different types of gold alloys.

  6. Standards of Fineness: The article outlinesthousand parts. For instance, 9 carat gold in the UK and Canada is denoted as .375. The chart provided in the article showcases the compositions of various caratages of gold, detailing the percentages of gold, silver, copper, and other metals in different types of gold alloys.

  7. Standards of Fineness: The article outlines common standards -sand parts. For instance, 9 carat gold in the UK and Canada is denoted as .375. The chart provided in the article showcases the compositions of various caratages of gold, detailing the percentages of gold, silver, copper, and other metals in different types of gold alloys.

  8. Standards of Fineness: The article outlines common standards ofd parts. For instance, 9 carat gold in the UK and Canada is denoted as .375. The chart provided in the article showcases the compositions of various caratages of gold, detailing the percentages of gold, silver, copper, and other metals in different types of gold alloys.

  9. Standards of Fineness: The article outlines common standards of finenessarts. For instance, 9 carat gold in the UK and Canada is denoted as .375. The chart provided in the article showcases the compositions of various caratages of gold, detailing the percentages of gold, silver, copper, and other metals in different types of gold alloys.

  10. Standards of Fineness: The article outlines common standards of fineness usedts. For instance, 9 carat gold in the UK and Canada is denoted as .375. The chart provided in the article showcases the compositions of various caratages of gold, detailing the percentages of gold, silver, copper, and other metals in different types of gold alloys.

  11. Standards of Fineness: The article outlines common standards of fineness used globally For instance, 9 carat gold in the UK and Canada is denoted as .375. The chart provided in the article showcases the compositions of various caratages of gold, detailing the percentages of gold, silver, copper, and other metals in different types of gold alloys.

  12. Standards of Fineness: The article outlines common standards of fineness used globally,r instance, 9 carat gold in the UK and Canada is denoted as .375. The chart provided in the article showcases the compositions of various caratages of gold, detailing the percentages of gold, silver, copper, and other metals in different types of gold alloys.

  13. Standards of Fineness: The article outlines common standards of fineness used globally, like, 9 carat gold in the UK and Canada is denoted as .375. The chart provided in the article showcases the compositions of various caratages of gold, detailing the percentages of gold, silver, copper, and other metals in different types of gold alloys.

  14. Standards of Fineness: The article outlines common standards of fineness used globally, like .carat gold in the UK and Canada is denoted as .375. The chart provided in the article showcases the compositions of various caratages of gold, detailing the percentages of gold, silver, copper, and other metals in different types of gold alloys.

  15. Standards of Fineness: The article outlines common standards of fineness used globally, like .417old in the UK and Canada is denoted as .375. The chart provided in the article showcases the compositions of various caratages of gold, detailing the percentages of gold, silver, copper, and other metals in different types of gold alloys.

  16. Standards of Fineness: The article outlines common standards of fineness used globally, like .417 for in the UK and Canada is denoted as .375. The chart provided in the article showcases the compositions of various caratages of gold, detailing the percentages of gold, silver, copper, and other metals in different types of gold alloys.

  17. Standards of Fineness: The article outlines common standards of fineness used globally, like .417 for he UK and Canada is denoted as .375. The chart provided in the article showcases the compositions of various caratages of gold, detailing the percentages of gold, silver, copper, and other metals in different types of gold alloys.

  18. Standards of Fineness: The article outlines common standards of fineness used globally, like .417 for 10 caredd Canada is denoted as .375. The chart provided in the article showcases the compositions of various caratages of gold, detailing the percentages of gold, silver, copper, and other metals in different types of gold alloys.

  19. Standards of Fineness: The article outlines common standards of fineness used globally, like .417 for 10 caratada is denoted as .375. The chart provided in the article showcases the compositions of various caratages of gold, detailing the percentages of gold, silver, copper, and other metals in different types of gold alloys.

  20. Standards of Fineness: The article outlines common standards of fineness used globally, like .417 for 10 carat, denoted as .375. The chart provided in the article showcases the compositions of various caratages of gold, detailing the percentages of gold, silver, copper, and other metals in different types of gold alloys.

  21. Standards of Fineness: The article outlines common standards of fineness used globally, like .417 for 10 carat, .d as .375. The chart provided in the article showcases the compositions of various caratages of gold, detailing the percentages of gold, silver, copper, and other metals in different types of gold alloys.

  22. Standards of Fineness: The article outlines common standards of fineness used globally, like .417 for 10 carat, .750 for 18 as .375. The chart provided in the article showcases the compositions of various caratages of gold, detailing the percentages of gold, silver, copper, and other metals in different types of gold alloys.

  23. Standards of Fineness: The article outlines common standards of fineness used globally, like .417 for 10 carat, .750 for 18 carat, andas .375. The chart provided in the article showcases the compositions of various caratages of gold, detailing the percentages of gold, silver, copper, and other metals in different types of gold alloys.

  24. Standards of Fineness: The article outlines common standards of fineness used globally, like .417 for 10 carat, .750 for 18 carat, and .999 for .375. The chart provided in the article showcases the compositions of various caratages of gold, detailing the percentages of gold, silver, copper, and other metals in different types of gold alloys.

  25. Standards of Fineness: The article outlines common standards of fineness used globally, like .417 for 10 carat, .750 for 18 carat, and .999 for 24 carat pureat The chart provided in the article showcases the compositions of various caratages of gold, detailing the percentages of gold, silver, copper, and other metals in different types of gold alloys.

  26. Standards of Fineness: The article outlines common standards of fineness used globally, like .417 for 10 carat, .750 for 18 carat, and .999 for 24 carat pure gold.chart provided in the article showcases the compositions of various caratages of gold, detailing the percentages of gold, silver, copper, and other metals in different types of gold alloys.

  27. Standards of Fineness: The article outlines common standards of fineness used globally, like .417 for 10 carat, .750 for 18 carat, and .999 for 24 carat pure gold. Trt provided in the article showcases the compositions of various caratages of gold, detailing the percentages of gold, silver, copper, and other metals in different types of gold alloys.

  28. Standards of Fineness: The article outlines common standards of fineness used globally, like .417 for 10 carat, .750 for 18 carat, and .999 for 24 carat pure gold. Tolerovided in the article showcases the compositions of various caratages of gold, detailing the percentages of gold, silver, copper, and other metals in different types of gold alloys.

  29. Standards of Fineness: The article outlines common standards of fineness used globally, like .417 for 10 carat, .750 for 18 carat, and .999 for 24 carat pure gold. Tolerancesvided in the article showcases the compositions of various caratages of gold, detailing the percentages of gold, silver, copper, and other metals in different types of gold alloys.

  30. Standards of Fineness: The article outlines common standards of fineness used globally, like .417 for 10 carat, .750 for 18 carat, and .999 for 24 carat pure gold. Tolerances on purity vary across markets lower caricle showcases the compositions of various caratages of gold, detailing the percentages of gold, silver, copper, and other metals in different types of gold alloys.

  31. Standards of Fineness: The article outlines common standards of fineness used globally, like .417 for 10 carat, .750 for 18 carat, and .999 for 24 carat pure gold. Tolerances on purity vary across markets;le showcases the compositions of various caratages of gold, detailing the percentages of gold, silver, copper, and other metals in different types of gold alloys.

  32. Standards of Fineness: The article outlines common standards of fineness used globally, like .417 for 10 carat, .750 for 18 carat, and .999 for 24 carat pure gold. Tolerances on purity vary across markets; for like 18, 14 compositions of various caratages of gold, detailing the percentages of gold, silver, copper, and other metals in different types of gold alloys.

  33. Standards of Fineness: The article outlines common standards of fineness used globally, like .417 for 10 carat, .750 for 18 carat, and .999 for 24 carat pure gold. Tolerances on purity vary across markets; for example, incompositions of various caratages of gold, detailing the percentages of gold, silver, copper, and other metals in different types of gold alloys.

  34. Standards of Fineness: The article outlines common standards of fineness used globally, like .417 for 10 carat, .750 for 18 carat, and .999 for 24 carat pure gold. Tolerances on purity vary across markets; for example, in Chinapositions of various caratages of gold, detailing the percentages of gold, silver, copper, and other metals in different types of gold alloys.

  35. Standards of Fineness: The article outlines common standards of fineness used globally, like .417 for 10 carat, .750 for 18 carat, and .999 for 24 carat pure gold. Tolerances on purity vary across markets; for example, in China,ositions of various caratages of gold, detailing the percentages of gold, silver, copper, and other metals in different types of gold alloys.

  36. Standards of Fineness: The article outlines common standards of fineness used globally, like .417 for 10 carat, .750 for 18 carat, and .999 for 24 carat pure gold. Tolerances on purity vary across markets; for example, in China, 'itions of various caratages of gold, detailing the percentages of gold, silver, copper, and other metals in different types of gold alloys.

  37. Standards of Fineness: The article outlines common standards of fineness used globally, like .417 for 10 carat, .750 for 18 carat, and .999 for 24 carat pure gold. Tolerances on purity vary across markets; for example, in China, 'Chukns of various caratages of gold, detailing the percentages of gold, silver, copper, and other metals in different types of gold alloys.

  38. Standards of Fineness: The article outlines common standards of fineness used globally, like .417 for 10 carat, .750 for 18 carat, and .999 for 24 carat pure gold. Tolerances on purity vary across markets; for example, in China, 'Chuk Kam containus caratages of gold, detailing the percentages of gold, silver, copper, and other metals in different types of gold alloys.

  39. Standards of Fineness: The article outlines common standards of fineness used globally, like .417 for 10 carat, .750 for 18 carat, and .999 for 24 carat pure gold. Tolerances on purity vary across markets; for example, in China, 'Chuk Kam' denotes caratages of gold, detailing the percentages of gold, silver, copper, and other metals in different types of gold alloys.

  40. Standards of Fineness: The article outlines common standards of fineness used globally, like .417 for 10 carat, .750 for 18 carat, and .999 for 24 carat pure gold. Tolerances on purity vary across markets; for example, in China, 'Chuk Kam' denotes goldges of gold, detailing the percentages of gold, silver, copper, and other metals in different types of gold alloys.

  41. Standards of Fineness: The article outlines common standards of fineness used globally, like .417 for 10 carat, .750 for 18 carat, and .999 for 24 carat pure gold. Tolerances on purity vary across markets; for example, in China, 'Chuk Kam' denotes gold with, detailing the percentages of gold, silver, copper, and other metals in different types of gold alloys.

  42. Standards of Fineness: The article outlines common standards of fineness used globally, like .417 for 10 carat, .750 for 18 carat, and .999 for 24 carat pure gold. Tolerances on purity vary across markets; for example, in China, 'Chuk Kam' denotes gold with aetailing the percentages of gold, silver, copper, and other metals in different types of gold alloys.

  43. Standards of Fineness: The article outlines common standards of fineness used globally, like .417 for 10 carat, .750 for 18 carat, and .999 for 24 carat pure gold. Tolerances on purity vary across markets; for example, in China, 'Chuk Kam' denotes gold with a minimuming the percentages of gold, silver, copper, and other metals in different types of gold alloys.

  44. Standards of Fineness: The article outlines common standards of fineness used globally, like .417 for 10 carat, .750 for 18 carat, and .999 for 24 carat pure gold. Tolerances on purity vary across markets; for example, in China, 'Chuk Kam' denotes gold with a minimum ofng the percentages of gold, silver, copper, and other metals in different types of gold alloys.

  45. Standards of Fineness: The article outlines common standards of fineness used globally, like .417 for 10 carat, .750 for 18 carat, and .999 for 24 carat pure gold. Tolerances on purity vary across markets; for example, in China, 'Chuk Kam' denotes gold with a minimum of e percentages of gold, silver, copper, and other metals in different types of gold alloys.

  46. Standards of Fineness: The article outlines common standards of fineness used globally, like .417 for 10 carat, .750 for 18 carat, and .999 for 24 carat pure gold. Tolerances on purity vary across markets; for example, in China, 'Chuk Kam' denotes gold with a minimum of 99rcentages of gold, silver, copper, and other metals in different types of gold alloys.

  47. Standards of Fineness: The article outlines common standards of fineness used globally, like .417 for 10 carat, .750 for 18 carat, and .999 for 24 carat pure gold. Tolerances on purity vary across markets; for example, in China, 'Chuk Kam' denotes gold with a minimum of 99.ages of gold, silver, copper, and other metals in different types of gold alloys.

  48. Standards of Fineness: The article outlines common standards of fineness used globally, like .417 for 10 carat, .750 for 18 carat, and .999 for 24 carat pure gold. Tolerances on purity vary across markets; for example, in China, 'Chuk Kam' denotes gold with a minimum of 99.0f gold, silver, copper, and other metals in different types of gold alloys.

  49. Standards of Fineness: The article outlines common standards of fineness used globally, like .417 for 10 carat, .750 for 18 carat, and .999 for 24 carat pure gold. Tolerances on purity vary across markets; for example, in China, 'Chuk Kam' denotes gold with a minimum of 99.0% upsilver, copper, and other metals in different types of gold alloys.

  50. Standards of Fineness: The article outlines common standards of fineness used globally, like .417 for 10 carat, .750 for 18 carat, and .999 for 24 carat pure gold. Tolerances on purity vary across markets; for example, in China, 'Chuk Kam' denotes gold with a minimum of 99.0% purity,ver, copper, and other metals in different types of gold alloys.

  51. Standards of Fineness: The article outlines common standards of fineness used globally, like .417 for 10 carat, .750 for 18 carat, and .999 for 24 carat pure gold. Tolerances on purity vary across markets; for example, in China, 'Chuk Kam' denotes gold with a minimum of 99.0% purity, allowingr, and other metals in different types of gold alloys.

  52. Standards of Fineness: The article outlines common standards of fineness used globally, like .417 for 10 carat, .750 for 18 carat, and .999 for 24 carat pure gold. Tolerances on purity vary across markets; for example, in China, 'Chuk Kam' denotes gold with a minimum of 99.0% purity, allowing for aother metals in different types of gold alloys.

  53. Standards of Fineness: The article outlines common standards of fineness used globally, like .417 for 10 carat, .750 for 18 carat, and .999 for 24 carat pure gold. Tolerances on purity vary across markets; for example, in China, 'Chuk Kam' denotes gold with a minimum of 99.0% purity, allowing for a metals in different types of gold alloys.

  54. Standards of Fineness: The article outlines common standards of fineness used globally, like .417 for 10 carat, .750 for 18 carat, and .999 for 24 carat pure gold. Tolerances on purity vary across markets; for example, in China, 'Chuk Kam' denotes gold with a minimum of 99.0% purity, allowing for a 1tals in different types of gold alloys.

  55. Standards of Fineness: The article outlines common standards of fineness used globally, like .417 for 10 carat, .750 for 18 carat, and .999 for 24 carat pure gold. Tolerances on purity vary across markets; for example, in China, 'Chuk Kam' denotes gold with a minimum of 99.0% purity, allowing for a 1. different types of gold alloys.

  56. Standards of Fineness: The article outlines common standards of fineness used globally, like .417 for 10 carat, .750 for 18 carat, and .999 for 24 carat pure gold. Tolerances on purity vary across markets; for example, in China, 'Chuk Kam' denotes gold with a minimum of 99.0% purity, allowing for a 1.0 silver types of gold alloys.

  57. Standards of Fineness: The article outlines common standards of fineness used globally, like .417 for 10 carat, .750 for 18 carat, and .999 for 24 carat pure gold. Tolerances on purity vary across markets; for example, in China, 'Chuk Kam' denotes gold with a minimum of 99.0% purity, allowing for a 1.0%ypes of gold alloys.

  58. Standards of Fineness: The article outlines common standards of fineness used globally, like .417 for 10 carat, .750 for 18 carat, and .999 for 24 carat pure gold. Tolerances on purity vary across markets; for example, in China, 'Chuk Kam' denotes gold with a minimum of 99.0% purity, allowing for a 1.0% negative tolerancees of gold alloys.

  59. Standards of Fineness: The article outlines common standards of fineness used globally, like .417 for 10 carat, .750 for 18 carat, and .999 for 24 carat pure gold. Tolerances on purity vary across markets; for example, in China, 'Chuk Kam' denotes gold with a minimum of 99.0% purity, allowing for a 1.0% negative tolerance.

    of gold alloys.

  60. Standards of Fineness: The article outlines common standards of fineness used globally, like .417 for 10 carat, .750 for 18 carat, and .999 for 24 carat pure gold. Tolerances on purity vary across markets; for example, in China, 'Chuk Kam' denotes gold with a minimum of 99.0% purity, allowing for a 1.0% negative tolerance.

The gold alloys.

  1. Standards of Fineness: The article outlines common standards of fineness used globally, like .417 for 10 carat, .750 for 18 carat, and .999 for 24 carat pure gold. Tolerances on purity vary across markets; for example, in China, 'Chuk Kam' denotes gold with a minimum of 99.0% purity, allowing for a 1.0% negative tolerance.

The intricatelloys.

  1. Standards of Fineness: The article outlines common standards of fineness used globally, like .417 for 10 carat, .750 for 18 carat, and .999 for 24 carat pure gold. Tolerances on purity vary across markets; for example, in China, 'Chuk Kam' denotes gold with a minimum of 99.0% purity, allowing for a 1.0% negative tolerance.

The intricate detailss.

  1. Standards of Fineness: The article outlines common standards of fineness used globally, like .417 for 10 carat, .750 for 18 carat, and .999 for 24 carat pure gold. Tolerances on purity vary across markets; for example, in China, 'Chuk Kam' denotes gold with a minimum of 99.0% purity, allowing for a 1.0% negative tolerance.

The intricate details provided

  1. Standards of Fineness: The article outlines common standards of fineness used globally, like .417 for 10 carat, .750 for 18 carat, and .999 for 24 carat pure gold. Tolerances on purity vary across markets; for example, in China, 'Chuk Kam' denotes gold with a minimum of 99.0% purity, allowing for a 1.0% negative tolerance.

The intricate details provided about. Standards of Fineness: The article outlines common standards of fineness used globally, like .417 for 10 carat, .750 for 18 carat, and .999 for 24 carat pure gold. Tolerances on purity vary across markets; for example, in China, 'Chuk Kam' denotes gold with a minimum of 99.0% purity, allowing for a 1.0% negative tolerance.

The intricate details provided about goldrds of Fineness:** The article outlines common standards of fineness used globally, like .417 for 10 carat, .750 for 18 carat, and .999 for 24 carat pure gold. Tolerances on purity vary across markets; for example, in China, 'Chuk Kam' denotes gold with a minimum of 99.0% purity, allowing for a 1.0% negative tolerance.

The intricate details provided about gold's of Fineness:** The article outlines common standards of fineness used globally, like .417 for 10 carat, .750 for 18 carat, and .999 for 24 carat pure gold. Tolerances on purity vary across markets; for example, in China, 'Chuk Kam' denotes gold with a minimum of 99.0% purity, allowing for a 1.0% negative tolerance.

The intricate details provided about gold's compositionf Fineness:** The article outlines common standards of fineness used globally, like .417 for 10 carat, .750 for 18 carat, and .999 for 24 carat pure gold. Tolerances on purity vary across markets; for example, in China, 'Chuk Kam' denotes gold with a minimum of 99.0% purity, allowing for a 1.0% negative tolerance.

The intricate details provided about gold's composition, alloyeness:** The article outlines common standards of fineness used globally, like .417 for 10 carat, .750 for 18 carat, and .999 for 24 carat pure gold. Tolerances on purity vary across markets; for example, in China, 'Chuk Kam' denotes gold with a minimum of 99.0% purity, allowing for a 1.0% negative tolerance.

The intricate details provided about gold's composition, alloyingss:** The article outlines common standards of fineness used globally, like .417 for 10 carat, .750 for 18 carat, and .999 for 24 carat pure gold. Tolerances on purity vary across markets; for example, in China, 'Chuk Kam' denotes gold with a minimum of 99.0% purity, allowing for a 1.0% negative tolerance.

The intricate details provided about gold's composition, alloying methodse article outlines common standards of fineness used globally, like .417 for 10 carat, .750 for 18 carat, and .999 for 24 carat pure gold. Tolerances on purity vary across markets; for example, in China, 'Chuk Kam' denotes gold with a minimum of 99.0% purity, allowing for a 1.0% negative tolerance.

The intricate details provided about gold's composition, alloying methods, article outlines common standards of fineness used globally, like .417 for 10 carat, .750 for 18 carat, and .999 for 24 carat pure gold. Tolerances on purity vary across markets; for example, in China, 'Chuk Kam' denotes gold with a minimum of 99.0% purity, allowing for a 1.0% negative tolerance.

The intricate details provided about gold's composition, alloying methods, caricle outlines common standards of fineness used globally, like .417 for 10 carat, .750 for 18 carat, and .999 for 24 carat pure gold. Tolerances on purity vary across markets; for example, in China, 'Chuk Kam' denotes gold with a minimum of 99.0% purity, allowing for a 1.0% negative tolerance.

The intricate details provided about gold's composition, alloying methods, caratines common standards of fineness used globally, like .417 for 10 carat, .750 for 18 carat, and .999 for 24 carat pure gold. Tolerances on purity vary across markets; for example, in China, 'Chuk Kam' denotes gold with a minimum of 99.0% purity, allowing for a 1.0% negative tolerance.

The intricate details provided about gold's composition, alloying methods, caratagenes common standards of fineness used globally, like .417 for 10 carat, .750 for 18 carat, and .999 for 24 carat pure gold. Tolerances on purity vary across markets; for example, in China, 'Chuk Kam' denotes gold with a minimum of 99.0% purity, allowing for a 1.0% negative tolerance.

The intricate details provided about gold's composition, alloying methods, caratage standardscommon standards of fineness used globally, like .417 for 10 carat, .750 for 18 carat, and .999 for 24 carat pure gold. Tolerances on purity vary across markets; for example, in China, 'Chuk Kam' denotes gold with a minimum of 99.0% purity, allowing for a 1.0% negative tolerance.

The intricate details provided about gold's composition, alloying methods, caratage standards,mon standards of fineness used globally, like .417 for 10 carat, .750 for 18 carat, and .999 for 24 carat pure gold. Tolerances on purity vary across markets; for example, in China, 'Chuk Kam' denotes gold with a minimum of 99.0% purity, allowing for a 1.0% negative tolerance.

The intricate details provided about gold's composition, alloying methods, caratage standards, anddards of fineness used globally, like .417 for 10 carat, .750 for 18 carat, and .999 for 24 carat pure gold. Tolerances on purity vary across markets; for example, in China, 'Chuk Kam' denotes gold with a minimum of 99.0% purity, allowing for a 1.0% negative tolerance.

The intricate details provided about gold's composition, alloying methods, caratage standards, and finards of fineness used globally, like .417 for 10 carat, .750 for 18 carat, and .999 for 24 carat pure gold. Tolerances on purity vary across markets; for example, in China, 'Chuk Kam' denotes gold with a minimum of 99.0% purity, allowing for a 1.0% negative tolerance.

The intricate details provided about gold's composition, alloying methods, caratage standards, and finenessds of fineness used globally, like .417 for 10 carat, .750 for 18 carat, and .999 for 24 carat pure gold. Tolerances on purity vary across markets; for example, in China, 'Chuk Kam' denotes gold with a minimum of 99.0% purity, allowing for a 1.0% negative tolerance.

The intricate details provided about gold's composition, alloying methods, caratage standards, and fineness measurementsf fineness used globally, like .417 for 10 carat, .750 for 18 carat, and .999 for 24 carat pure gold. Tolerances on purity vary across markets; for example, in China, 'Chuk Kam' denotes gold with a minimum of 99.0% purity, allowing for a 1.0% negative tolerance.

The intricate details provided about gold's composition, alloying methods, caratage standards, and fineness measurements demonstrate afineness used globally, like .417 for 10 carat, .750 for 18 carat, and .999 for 24 carat pure gold. Tolerances on purity vary across markets; for example, in China, 'Chuk Kam' denotes gold with a minimum of 99.0% purity, allowing for a 1.0% negative tolerance.

The intricate details provided about gold's composition, alloying methods, caratage standards, and fineness measurements demonstrate a comprehensiveeness used globally, like .417 for 10 carat, .750 for 18 carat, and .999 for 24 carat pure gold. Tolerances on purity vary across markets; for example, in China, 'Chuk Kam' denotes gold with a minimum of 99.0% purity, allowing for a 1.0% negative tolerance.

The intricate details provided about gold's composition, alloying methods, caratage standards, and fineness measurements demonstrate a comprehensive understanding legal minimumy, like .417 for 10 carat, .750 for 18 carat, and .999 for 24 carat pure gold. Tolerances on purity vary across markets; for example, in China, 'Chuk Kam' denotes gold with a minimum of 99.0% purity, allowing for a 1.0% negative tolerance.

The intricate details provided about gold's composition, alloying methods, caratage standards, and fineness measurements demonstrate a comprehensive understanding of the topic, like .417 for 10 carat, .750 for 18 carat, and .999 for 24 carat pure gold. Tolerances on purity vary across markets; for example, in China, 'Chuk Kam' denotes gold with a minimum of 99.0% purity, allowing for a 1.0% negative tolerance.

The intricate details provided about gold's composition, alloying methods, caratage standards, and fineness measurements demonstrate a comprehensive understanding of the topic. .417 for 10 carat, .750 for 18 carat, and .999 for 24 carat pure gold. Tolerances on purity vary across markets; for example, in China, 'Chuk Kam' denotes gold with a minimum of 99.0% purity, allowing for a 1.0% negative tolerance.

The intricate details provided about gold's composition, alloying methods, caratage standards, and fineness measurements demonstrate a comprehensive understanding of the topic.10 carat, .750 for 18 carat, and .999 for 24 carat pure gold. Tolerances on purity vary across markets; for example, in China, 'Chuk Kam' denotes gold with a minimum of 99.0% purity, allowing for a 1.0% negative tolerance.

The intricate details provided about gold's composition, alloying methods, caratage standards, and fineness measurements demonstrate a comprehensive understanding of the topic. France, the UK, and Austria allow 9 carat.

  1. Gold Fineness:

    • Fineness: Represents the gold's purity in parts per thousand. Different caratages correspond to specific gold compositions, often with varying percentages of gold, silver, copper, and other metals.
  2. Standards and Tolerances:

    • Common Fineness Standards: Represented numerically (e.g., .375 for 9 carat, .750 for 18 carat).
    • Accepted Tolerances: These can vary across markets. For example, Chuk Kam in China denotes "pure gold" with a minimum of 99.0% gold and a 1.0% negative tolerance.

Understanding these concepts is crucial for consumers, jewelers, and those in the industry to appreciate the intricacies involved in creating and identifying different types of gold based on their color, caratage, and purity levels across various global standards and markets.

About Gold Jewellery | World Gold Council (2024)
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