The GIA wheel limits the spectrum to 27 hues, but using a broader, more evocative range of names can help make fancy-color diamonds more desirable. In a world of luxury that relies on exclusivity, ...
While the diamond world uses the 4Cs — color, clarity, cut and carat weight — to determine a stone’s value, the desirability of natural pearls rests on a different set of factors: weight, surface ...
HONG KONG SAR - Media OutReach Newswire - 10 June 2025 - The Gemological Institute of America (GIA), the world's foremost authority in gemology announced a redefinition in diamond grading on June 2, ...
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