Global Gemological Laboratory has moved to a new state of the art facility!

Please note our new address:


Global Gemological Laboratory

22222 Sherman Way, Suite 200A

Canoga Park, CA 91303

Tel:  (818) 887-7087

Fax: (818) 887-7237

Our Services

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

Report Check

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

NEWS

Global Gemological Society

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

About Us

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

Welcome to globaL gEMOLOGICAL lABORATORY