The AGS Diamond Quality Analysis offers complete diamond grading evaluation of the 4Cs. Learn more at AmericanGemSociety.org. Jewelry Association | Top Jewelers, Diamond Education
Diamond Quality Analysis
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Diamond Quality Analysis
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The AGS Diamond Quality® Analysis is a pocket-sized document for diamonds weighing up to 1.99 carats. The Diamond Quality® Analysis offers a complete grading evaluation of the 4Cs, and provides a laser inscription of the AGS number for diamond identification. 

It’s the ideal report when you need a cut grade document in a smaller size.

The AGS Diamond Quality® Analysis — the small-but-mighty diamond grading report.

Have questions or comments? Contact AGS Laboratories.

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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