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GIA Hong Kong Ltd

GIA (Gemological Institute of America) as an independent non profit institute, GIA is recognized as The World's Foremost Authority in Gemology.  GIA developed the 4Cs and the International Diamond Grading System, the grading standard adopted around the globe.  GIA's mission is to ensure the public's trust in gems and jewelry by upholding the highest standards of integrity, academics, science and professionalism through education, research, laboratory services, and instrument development.

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GIA Hong Kong Ltd

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