For more information about GSI, please contact us at:

USA Headquarters:
Gemological Science International
581 Fifth Avenue, 4th Floor,
New York, NY 10017
USA
Phone: 212-207-4140
Fax:       212-207-4156
EFax:    917-591-8708
E-mail

GSI - India
201-202,Mittal Commercia
Saki Naka,
Off Andheri Kurla Road,
Andheri-East
Mumbai-400059
India
Phone:+91 22 28596381 / +91 22 28512553 / +91 22 28512554 / +91 22 28512555
Fax:       +91 (022) 66101683
E-mail

GSI - Israel
54 Bezalel Street
22nd floor
Ramat Gan, 52521
Israel
Phone: +972 (0)3-752-3272
E-mail

GSI - Belgium
Pelikaanstraat 62
Office 251
Antwerp
Belgium, 2018
Phone: +32 (0)3-689-1140
E-mail