Certified Gemologist Appraiser

The American Gem Society’s Certified Gemologist Appraiser title is the most highly regarded in the industry. Earning the CGA title requires additional advanced training and experience in determining the value of gemstones and jewelry. Since jewelry appraisal may be one of the most important and complicated documents to complete accurately, only a credentialed professional should provide information and reliable documentation on the quality and value of your jewelry. That is why it is essential to work with an unbiased appraiser you can trust, a gemologist appraiser certified by the American Gem Society. Our members must adhere to the American Gem Society’s code of ethics and are required to re-certify their title or designation each year. 

 

American Gem Society Titles & Designations

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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

info@ags.org (866) 805-6500