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Welcome to the American Gem Society Guilds portal! On these pages, you will learn about the latest Guilds activities and other Guilds-related information.

If you are new to the Guilds, please enjoy this message from the Chairman of the International Guilds, Marc Altman, CGA, where he discusses some of the highlights of being an AGS Guild member.


 Presenting Sponsor:

Jewelers Mutual Insurance Group

 Supporting Sponsor:

JCK Events


Guild Listing

Guild Meetings

Speaker Listing

Webinar Archive



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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