American Gem Society Homepage  |  Contact Us  

Your Best Friend When Buying a Diamond

When shopping for a diamond, you need a friend you can rely on to give you an unbiased opinion. We help jewelry buyers like you by providing expert, third-party evaluation of a diamond’s quality characteristics.

Our Diamond Grading reports help you to make an informed purchase when choosing a diamond. We know it’s a big investment and we want you to feel confident and secure when you buy diamonds or diamond jewelry.

Verify a Diamond Grading Report

Verify a Diamond Grading Report

Why AGS Laboratories?

When shopping for something as precious and rare as a natural diamond, it’s important that the diamond includes a diamond grading report from an independent laboratory.
Read More

Diamonds

You've probably heard about the 4Cs of a diamond, and you may even know that it stands for diamond cut, color, clarity and carat weight. Learn more about what makes a diamond unique.
Read More

Laboratory-Grown Diamonds

So you're looking to understand more about laboratory-grown diamonds? You've come to the right place!


Read More

About AGS Laboratories

Trust the AGS Laboratories. We protect consumers by providing expert, third-party evaluation of a diamond’s quality characteristics.


Read More
gray diamond icon

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

info@ags.org

Facebook Twitter Youtube

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

info@ags.org

Facebook Twitter Youtube

Copyright © 2022 American Gem Society