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Answer: What is the carat (karat) system for gold jewellery? > World Gold Council, the information resource for gold, investment, jewellery, science and technology, historical and culture

 

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What is the carat (karat) system for gold jewellery?

The proportion of gold in jewellery is measured on the carat (or karat) scale. The word carat comes from the carob seed, which was originally used to balance scales in Oriental bazaars. Pure gold is designated 24 carat, which compares with the "fineness" by which gold is defined; 18 carat gold is defined as 75% pure gold... More info

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