1. 12FIFTEEN Diamonds
2. ABD Diamonds Pvt. Ltd.
3. Adamas One Corp.
4. Applied Diamond Inc.
5. Bhanderi Lab Grown Diamonds
6. Classic Grown Diamonds
7. Clean Origin Group
8. CVD Diamond Inc.
9. D.NEA Diamonds
10. De Beers PLC
11. Delaware Diamond Knives Inc.
12. Diamond Foundry Inc.
13. Diyam Impex
14. Eco Grown Diamond
15. EDP Corporation
16. EXCELLENT CORPORATION
17. Finegrown Diamonds
18. Goldiam International Limited
19. Grown Diamond Corporation
20. Hebei Plasma Diamond Technology Co. Ltd.
21. Henan Huanghe Whirlwind Co.Ltd.
22. Henan Hydray International Trading Co.Ltd.
23. Heyaru Group
24. IIa Technologies Pte. Ltd.
25. Kentucky Advanced Materials Manufacturing Company
26. Limelight Lab Grown Diamonds Ltd.
27. Luoyang Qiming Superhard Material Co.Ltd.
28. New Diamond Technology LLC
29. Nova Diamonds
30. Rahi Impex
31. Ritani
32. Rohin Grown Diamond
33. Roughdiamonds.dk
34. Shanghai Zhengshi Technology Co. Ltd.
35. sp3 Diamond Technologies
36. Sumitomo Electric Industries
Ltd.
37. Swarovski Crystal Online AG
38. Tomei Diamond Corporation
39. UniDiamond Superabrasives
40. Vibranium Lab Grown Diamonds
41. WD Lab Grown Diamonds
42. Wuzhou Messi Gems Co.
43. Yadav Diamonds and Jewelry