The American Gem Society is dedicated to setting, maintaining and promoting the highest standards of ethical conduct and prof Jewelry Association | Top Jewelers, Diamond Education
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Through courses, classes, and continuing educational seminars, the American Gem Society member is better educated and prepared to meet the challenges of maintaining a prosperous business.  In addition to providing course materials necessary to obtain titles and designations, the Education Department also provides continuing education topics to the jewelry industry at premier events such as the AGS International Conclave, the AGTA GemFair in Tucson, the JCK Show in Las Vegas, and the JA Show in New York.

In the words of our founder, Robert Shipley: “Both knowledge and ethics are necessary to protect the consumer because a knowledgeable gemologist, without ethics, can cheat the customer by misrepresentation while the most ethical jeweler can innocently mislead the customer because of lack of knowledge.”

The American Gem Society awards its individual members who quality, the titles of Registered Jeweler, Registered Supplier, Certified Gemologist, Certified Gemologist Appraiser, and Independent Certified Gemologist Appraiser. The Society also provides education towards the credentials of Certified Sales Associate and Certified Jewelry Arts Professional.  The Accredited Gem Lab certification can be achieved by the firm who maintains a professional gemological laboratory and employs either a Certified Gemologist or Certified Gemologist Appraiser.

At the Las Vegas campus of the AGS, we host a schedule of gemological classes taught by GIA instructors and Gem-A workshops and exams that are prerequisites to membership in and title from the American Gem Society.


Contact for more information or to register for a class.

AGS Way scholarships are available for those students completing a GIA lab class to earn their title.


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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