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Gem Certification and Assurance Lab

GCAL is the only lab to offer us a full guarantee with their grading report. We do not use anyo...

mapMarkerGrey 580 Fifth Avenue, New York, NY...

American Gemological Laboratory (AGL)

AGL has a great professional team led by Chris Smith. They have excellent standards and techniq...

mapMarkerGrey 580 5th Avenue Suite 706 New Y...

Diamond Council of America

I earned my Diamontologist diploma from the DCA. It has always helped me get hired in new jobs....

mapMarkerGrey 120 Broadway, Suite 2820 - New...