American Gemological Laboratories
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Last updated: 9/2/2019
American Gemological Laboratories
Sustaining Firm - Executive
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American Gemological Laboratories
580 5th Ave
Ste 706
New York
New York
10036-4724  United States
 [ Map ]
212 704-0727 (Phone)
212 764-7614 (Fax)
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AGL is a pioneer in the colored gemstone industry and was the first gemological laboratory in the USA to issue country-of-origin reports. Additionally, we were the first in the world to quantify colored stone quality in a clear and comparative manner. In addition to our position of leadership in gemstone documentation, AGL has extensive experience in consumer protection programs.
AGL provides detailed identification and enhancement reports, country-of-origin reports, as well as complete colored stone analysis documents tailored to gems of unique importance.


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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

8881 W. Sahara Ave. Las Vegas, NV 89117 (866) 805-6500