The World Gemological Institute (WGI) still believes that personalized 
service and communication are the cornerstone of exceptional business practice.

 

If you would like to learn more about the World Gemological Institute and 
our diamond grading services and reports, please contact one of our regional representatives.

Barak Green

VP, Strategy & Development

Tel: +1-877-944-5944
Fax:+ 1-805-227-4655