Our Global Partners | American Gem Society
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AGS Labs Global Partners

The AGS Laboratories has a number of Global Partners. Scroll down for locations and contact information. If you have questions or comments, please contact AGS Laboratories.




Rapaport India
415, The Jewel, Mama
Parmananad Marg
Opera House
Mumbai 400 004 India
Email: ags-india@diamonds.net
Phone: +91-22-6627-2600
Point of contact: Pooja Kotwani
Hong Kong/SE Asia
Eight Hearts Diamond Co., Ltd.
19A Lloyds Commercial Building
8 Wing Lok Street
Honk Kong, HK
Email: yauphilip@hotmail.com
Tel: + 852 223-40977
Point of contact Philip Yau

Rapaport Israel
Diamond Tower #1394
54 Betzalel Street
Ramat Gan, Israel 52521
Email: ags-israel@diamonds.net
Phone: +972-3-613-3330
Point of contact: Joshua Kersh
Rapaport Belgium
Hoveniersstraat 53
2018 Antwerpen, Belgium
Email: ags-europe@diamonds.net
Phone: +32-3-232-3300
Point of contact: Lea Retter
Africa, South America, and




Mission Statement

The American Gem Society (AGS) is a nonprofit trade association of fine jewelry professionals dedicated to setting, maintaining and promoting the highest standards of ethical conduct and professional behavior through education, accreditation, recertification of its membership, gemological standards, and gemological research.

The Society is committed to providing educational products to inform and protect the consumer and to contributing to the betterment of the trade by creating industry standards to protect the jewelry-buying public and the fine jewelry industry as a whole.

AGS Laboratories, founded to support the AGS mission, is a nonprofit diamond grading laboratory with a mission of consumer protection. Adhering to the AGS Diamond Grading Standards, AGS Laboratories is dedicated to offering diamond grading reports that provide consistency and accuracy based on science.

American Gem Society