| Homepage | Address | Contact |
|---|---|---|
| http://www.agta-gtc.org/ |
18 East 48th Street Suite 502 New York 10017 United States of America |
N: Harry Freidman T: 212-752-1717 F: 212-750-0930 E: info@agta-gtc.org |
The AGTA Gemological Testing Center is the natural coloured gemstone industry’s premier independent laboratory providing the industry and the public with a complete range of services, including gemstone identification, origin determination and pearl identification. The laboratory, located in New York City, is equipped with the latest, technologically advanced, investigative equipment.