List of synthetic diamond manufacturers

Synthetic diamonds are produced via high pressure, high temperature (HPHT) or chemical vapor deposition (CVD) technology. These diamonds have numerous industrial and commercial uses including cutting tools, thermal conductors and consumer diamond gemstones.

Gemstone diamond producers

• Apollo Diamond (defunct, assets sold in 2011 to Scio Diamond) ^[1]
• ALTR Created Diamonds ^[2]
• De Beers (Lightbox) ^[3]
• Diamond Foundry ^[4]
• Gemesis (now a non-producing reseller called Pure Grown Diamonds) ^[5]
• Scio Diamond Technology Corporation ^[6] (colorless)
• Tairus ^[7]
• WD Lab Grown Diamonds ^[8]
• Veynou, German jewellery brand founded in 2021. ^[9]
• Vera Bijou ^[10]

Industrial diamonds

• Element Six ^[11]
• Morgan Technical Ceramics (as "Diamonex") ^[12]
• Scio Diamond Technology Corporation ^[13]
• Sumitomo Electric Industries ^[14]

References

1. Yarnell, Amanda (February 2, 2004). "The Many Facets of Man-made Diamonds". Chemical & Engineering News . Retrieved July 19, 2021.
2. "Altr | News".
3. Kottasová, Ivana (2018-05-29). "De Beers admits defeat over man-made diamonds". CNN . Time Warner Company . Retrieved 2018-05-30.
4. "Man Made Diamonds Set in Designer Jewelry". Diamond Foundry. Retrieved 2017-02-05.
5. Pure Grown Diamonds official website
6. Scio Diamond Technology Corporation
7. Tairus
8. WD Lab Grown Diamonds
9. "Erfolg bei „Höhle der Löwen: Verlobung führt Geschäftsleute zur nächsten Idee". www.fnp.de (in German). 2022-01-06. Retrieved 2025-09-05.
10. Vera Bijou
11. Element Six
12. Morgan Technical Ceramics Diamonex
13. Scio Diamond, Industrial Archived 2011-12-27 at the Wayback Machine
14. Sumitomo Electric