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

Please note our new address:


Global Gemological Laboratory

2715 Edgeview Court, Suite 100

Newbury Park, CA 91320

Tel:  (818) 887-7087

Fax: (805) 375-6560

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