Diamond Quality Document Report | Grading
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Diamond Quality Document

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
  • Shows a custom plot with actual facet details

AGS Diamond Quality Document

Why It’s Great

The AGS Diamond Quality® Document (DQD) is the first grading report to offer a complete analysis of the 4Cs, including cut, from a premier diamond grading Lab. Cut can affect the value of a diamond by as much as 50% or more; that's why this document is important.

The DQD provides you with the most detailed information available on a diamond. Plus, the Diamond Quality® Document is the industry’s only grading report that offers a three-dimensional performance-based cut grade for the Round Brilliant, Square Princess, Emerald, Oval and Cushion-shaped diamonds. The Diamond Quality® Document is also offered in a “Platinum” option.

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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