BRANDS WITH GEMEX CERTIFICATES
- American Brilliance
- Bella Diamond
- Biro 88
- Caro74 Diamond
- Eighternity
- Estrella
- Facets of Love Diamond
- Gem Crown
- Jared the Galleria of Jewelry
- Juelle Star
- Kay Jewelers
- Leo Diamond
- Nahoku Diamond
- Noventa Diamond
- Radiant Star
- Samuel Gordon Century Diamond
- Solasfera
- Star 129
- Stuller Red Box Diamond
- Superbcert
- The Peerless Diamond
- The Royale
- The Tacori Diamond
- Tolkowsky Diamond
- Wokka Wokka