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What is the colour grading standard for coloured diamonds?

April 26, 2017colour coloured diamonds grading standard

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What is the colour grading standard for coloured diamonds?

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The Internationally acceptable colour grading standard of the GIA generally refers to Cape Yellows and the following fancy yellow range: Natural fancy light yellow, natural fancy intense yellow, natural fancy vivid yellow, natural fancy deep yellow. Blue, pink and red diamonds are other scarce colours attracting premium prices.