AGI REPORTS

 AGI evaluates the broadest range of gemstones and jewelry, more than any other gemological organization.

As the industry pioneer in jewelry evaluation, we have unmatched expertise and a global footprint. We are renowned for grading colored gemstones, diamonds, exquisite jewelry, and recent synthetics and simulants. We also have a solid reputation for grading diamonds.

Diamond Report
Jewelry Report
Gemstone Report

Contact your local AGI

source square

GEMSTONE GUIDES

The 4Cs
shapes
Diamond Grading Chart