+1 646-846-ROYA (7692)

Certifications

There are many grading labs around the world. Each lab uses its own grading system and nomenclature. As a result, a report from one institute might show different results from a report issued by another lab for the same diamond.

The top 4 major gemological labs in the world are GIA, AGS, EGL, and IGI.

Gemological Institute of America
American Gemological Society
European Gemological Laboratory
International Gemological Institute

Gemological Institute of America

http://www.gia.edu/

American Gemological Society

http://agslab.com/

European Gemological Laboratory

http://www.eglusa.com/

International Gemological Institute

http://www.igiworldwide.com/

Subscribe To Our Newsletter

Subscribe To Our Newsletter

Join our mailing list to receive the latest news and updates from our store.

You have Successfully Subscribed!