The Platinum Diamond Quality Document
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Quick Facts about this Report

  • 3D Analysis of loose diamonds
  • Available for Round Brilliant, Princess, Oval, Emerald and Cushion Cut Diamonds
  • Includes shape and style, plus measurements
  • Evaluates Cut, Color, Clarity and Carat
  • Provides patented Light Performance map (see the red, green and blue image in the document below).

Why It’s Great

Both AGS Laboratories' Diamond Quality® Document (DQD) and the Platinum Diamond Quality® Document (featured above) provide consistency and accuracy in grading results based on science.

This report is trusted by jewelers to provide an accurate, expertly evaluated certificate for loose diamonds. This report is exclusive to AGS Laboratories, the only nonprofit diamond grading laboratory created with a mission of consumer protection.

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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