Jewelry Grading

Companies related to Jewelry Grading

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+2 companies found

Gemological Science International (GSI)

Retail-Luxury-Goods-and-Jewelry

GSI is an independent gemological laboratory providing innovative solutions for gemstone identification and grading.

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IGI - International Gemological Institute India

Education-Administration-Programs

The Global Authority in Diamond, Gemstone and Jewelry Grading

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