Verify grading report

Sirius Star®…the world’s brightest diamond® is graded exclusively* by AGS Laboratories.

The AGS Laboratories’ Report Verification enables you to check that the information on your diamond grading report matches the information stored in the AGS Laboratories’ diamond report database.  Please enter your AGS number and the Carat Weight as shown on your AGS Laboratories’ diamond grading report.  Report Verification service is currently available for documents issued after January 1, 2001. PDF versions are available for most Sirius Star® diamonds graded after 1 September 2009.

* Some of the smaller sized Sirius Star® diamonds are sort graded and laser inscribed with the Sirius Star® logo and serial number by CGL (Vancouver) and IGI (Toronto).

AGS Laboratories
Click on the logo above to verify the grading report of any Sirius Star® graded by AGS Laboratories.








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