Diamond Grading Document Library
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Document Library

Platinum DQD

The Platinum DQD

AGS’s flagship grading document with Light Performance Map based on the American Gem Society’s ASET® technology.
  • In production
  • Production started early 2009
Performance DQD Performance DQD

AGS’s flagship grading document.
  • In production
  • Production started early 2006
DQC

DQC


AGS’s Special Program certificate exclusively available through AGS retail jeweler members. The DQC is the first and only certificate to guarantee authenticity and provide accountability for the diamond’s grade.
  • In production
  • Production started early 2005
DQR and DQR w/Cut
DQR and DQR w/Cut

Available either with a Cut Grade for supported shapes or without a Cut Grade.
  • In production
  • Production started mid-2005

Gold DQR

Gold DQR


AGS Laboratories' Proportion-Based Cut Grade for the Round Brilliant.  Available for any shape diamond without a Cut Grade.
  • In production
  • Production started late 2008

DQA

DQA

Performance-Based Cut Grade for up to 1.99 carats. Option to include the Light Performance Map.
  • In production
  • Production started mid-2007

DC

DC


Credit-card-size fold-over document with basic diamond information for up to 4.99 carats.
  • In production
  • Production started mid-2005

Proprietary Grading Report

Proprietary Grading Report

Special program custom document for patented cuts. Performance-Based cut grade, Light Performance Map as well as brand logo on the document.
  • In production
  • Production started in 2008

2-Stone DQD

2-Stone DQD


Limited production special document.
  • Special program only
  • Production started late 2005

3-Stone DQD

3-Stone DQD

Limited production special document.
  • Special program only
  • Production started mid-2006

5-Stone DQD

5-Stone DQD


Limited production special document.
  • Special program only
  • Production started late 2006

Special Program DQD

Special Program DQD

Limited production special document.
  • Special program only
  • Production started mid-2006

Special Program DQR

Special Program DQR


Limited production special program document.
  • Special program only
  • Production started late 2005

Performance DQD 2007

Performance DQD

AGS's first performance-based grading document.
  • No longer in production
  • Production started mid-2005 to late 2006

DQD Old

DQD


AGS's original proportion-based Cut Grade document. This is the original Triple-Zero document.
  • No longer in production
  • Production from 1996 to 2007

DQR Tri-Fold 2007

DQR Tri-Fold

AGS’s original proportion-based DQR.
  • No longer in production
  • Production from 1996 to 2007

DC 2007

DC


Credit-card-size fold-over document with basic diamond information for up to 4.99 carats.
  • No longer in production
  • Production from 1996 to 2007

Special Program DQD

Special Program DQD

Limited production proportion-based Special Program document.
  • No longer in production
  • Production from 2002 to 2005

Special Program DQR Tri-Fold

Special Program DQR Tri-Fold


Limited production proportion-based Special Program document.
  • No longer in production
  • Production from 2002 to 2005

Special 3-Stone

Special Program 3-Stone DQR

Limited production Special Program document.

  • No longer in production
  • Production from 2004 to 2005


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