The trusted institution for a professional,
objective and expert assessment of diamonds.
The Independent Grading Institution that grades a diverse range of diamonds.
Natural Diamond Report
Assessment of authenticity and quality for diamonds in the D to Z colour range.
Lab Grown Diamond Report
Identification of laboratory-grown diamonds, using the same exacting standards as Natural Diamond.
Verify Your Report
IAG Report Check provides you with an additional level of assurance. A quick and convenient way for verification of information on your report with IAG’s report database.
Report number does not exist.
Learn More About 4Cs
The 4Cs will help you understand the beauty, quality, and craftsmanship of a diamond.