| Kapu Gems Ltd. | Asian Star |
| K. Girdharlal International Ltd | K P Sanghvi |
| Laxmi Diamond | Constell Group |
| Ratnakala Exports Pvt. Ltd. | SNJ Diam |
| Rays Diamonds | Ankit Gems Pvt Ltd |
| J.B.Brothers | Sunrays Diamonds |
| Chirag Gems | Purna Purshottam Exports |
| Kiran jewels (india) | Kalista Jewels |
| EON Jewellery | Paladiya Brothers & Company |
| C.Dinesh & Co. Pvt. Ltd. | M Suresh Co. |
| PN Diamonds | Mahendra Brothers |
| Vinay Diamonds | Parmes Diamonds Exports Pvt. Ltd. |
| Alok Impex Pvt Ltd | Jewel Goldi (India) |
| Ramdut Dimaond | Anil Diamond Manufacturing |
| Millennium Gems | Heena Diamond |
| International Gemological Institute (IGI), Laboratory |
| GMERS Medical College & Hospital, Himmatnagar |
| GMERS Medical College & Hospital, Vadnagar |
| GMERS Medical College & Hospital, Valsad |
| Gujarat Medical Education & Research Society Medical College, Dharpur - Patan |
| D-NH Medical College, Dadra & Nagar Haveli |
| NIRU LANKA EXPORTS (PVT) LTD, Sri Lanka |
| Trusted. Reliable. Independent. Gem (TRIGEM), Dubai |
| IGC Group, Belgian Excellence in Diamonds, Belgian |
| Taly Diamonds, Israel |
| Pluczenik Diamond Namibia (Pty) Ltd, Namibia |
| Polllaro S A, Angola, Africa |
| KDT DIAMOND, Korea |