Official UGL Verification Portal

Verify YourCertificate

Confirm the absolute authenticity of your Uni Gem Lab diamond, gemstone, or jewelry grading report — securely online, instantly.

Report Lookup Portal

Enter the exact UGL certificate number printed on your physical report or laser-inscribed on your stone’s girdle to access our central grading database.

Letters, numbers and hyphens only — for example UGL-123456.

Need Help?

Finding Your Certificate Number

Your UGL certificate number can be found in three places.

On Your Report

Look for the UGL Report Number printed prominently at the top of your physical or digital grading report.

On the Stone

For diamonds, your cert number may be laser-inscribed on the stone's girdle — visible under 10x magnification.

In Your Email

UGL sends a digital copy of your certificate by email at the time of issue, including the full report number.

Secure & Encrypted
Instant Results
Available 24/7 Globally
Tamper-Proof Records