Welcome to globaL gEMOLOGICAL lABORATORY

NEWS

Report Check

Please contact us if you have questions about the report issued by GGL

Our Services

We offer a full line of certificates and appraisals for loose diamonds, gemstones and jewelry

About Us

GGL is widely recognized as one of the world’s premier scientific gemological laboratories

Global Gemological Society

We are proud to introduce Gemological Educational Program designed for retail jewelers

As of October 04, 2019 Global Gemological Laboratory will be located

in a new state of the art facility!

Please note our new address:


Global Gemological Laboratory

1021 Oak Valley Road, 

Lobby Entrance

Greensboro, GA 30642

Tel:  (818) 887-7087

Tel: (805) 375-6560