Report Verification

To authenticate your Gübelin Gemmological report online, please fill out the form below. Verification database contains only the data for reports issued after 2011.

Please check the back of your Gübelin Gemmological Report for the verification number on the back of each report issued after 2018.

Important note: The data shown in the report authentication tool on our website is of informative, non-binding nature only, and may be incomplete and/or inaccurate. The only valid document is the unaltered original Gübelin Gem Lab Report.

Reports without verification number