Gemological Labs

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Home > Organizations and Business > Gemological Labs

American Gem Society Laboratories
There are certain things you can count on. A quality grading report from AGS Laboratories is one of them. It`s always reassuring to have the opinion of an expert unbiased third party who can verify the quality of the diamond you are purchasing. AGS L

GIA Gemological Institute of America
The Gemological Institute of America, GIA, is the world`s foremost authority in gemology, diamond grading, jewelry education, gemology research, diamond and gemstone grading reports and laboratory services.