Certified Quality
Certified Excellence
Each GABRIEL piece of jewelry and watch is inspected and certified according to international standards. Transparency and authenticity are our promises.
Check authenticity
Our Process
From exam to certificate
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01
Gemological Testing
Every stone is examined by a certified gemologist using a microscope and spectroscope. Carat weight, cut, color, and clarity are precisely determined.
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02
Laboratory test
Selected pieces are sent to recognized gemological institutes. All analysis results are documented and archived.
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03
Certificate creation
You will receive an internationally recognized certificate with all stone and jewelry data. Digital copy included for your records.
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04
Registration & Verification
Your piece of jewelry will be registered in our database and can be verified online at any time — for your security and insurance.
Online Verification
Verify authenticity now
Enter the serial number or certificate number and receive instant confirmation.
For verification