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Diamond Design and Light Performance 101

Diamond Design and Light Performance Analysis 101 . A brilliant cut diamond’s appearance is a kaleidoscopic pattern of many internal ...
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Describing Diamond Beauty and Light Performance

The full text of the article is available here.
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Objective Diamond Clarity Grading

The diamond clarity grading scale used worldwide today was introduced by the Gemological Institute of America (GIA) in 1953. To ...
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