Contact Us

New York
The AGTA GTC headquarters is located in midtown Manhattan, in the heart of New York’s gem district:

AGTA Gemological Testing Center
18 East 48th Street, Suite 502
New York, NY 10017
USA
Tel: 212-752-1717; Fax: 212-750-0930
E-Mail: info@agta-gtc.org

 

Hours
Monday–Friday

  • Telephone support: 09:00 AM to 4:30 PM EST
  • Gem drop off and pick up: 10:00 AM to 4:00 PM EST

California branch
Our California location does not yet accept direct submissions. All submissions and inquiries should be made to our New York office.

 


American Gem Trade Assocation Gemological Testing Center
18 East 48th St., Suite 502
New York, NY 10017, USA
Tel: 212-752-1717; Fax: 212-750-0930
E-Mail: info@agta-gtc.org; Web: www.agta-gtc.org
© 1999–2005 American Gem Trade Assocation Gemological Testing Center. All rights reserved. Users may download this information for their own private, non-commercial use. Any other reproduction of this document (text or graphics) without the express written consent of the AGTA GTC is strictly prohibited.
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