TGL Gem Testing Laboratory
Online Report
Verify your certificate report securely by entering the certificate number exactly as printed on your TGL certificate.
How to Search
Enter the complete certificate number without extra spaces. The report will appear below when the certificate is active.
Report Details
The online report displays certificate information, article description, weights and grading details as available in the database.
Need Assistance?
If your certificate does not display, contact TGL with your certificate number for verification support.