Diamond Foundry

Diamond Foundry
Company typePrivate
IndustryDiamonds
Founded2012[1]
Headquarters
San Francisco, California
,
United States
ProductsManmade diamonds
Number of employees
120[1]
Websitewww.diamondfoundry.com

Diamond Foundry is a producer of lab grown diamonds based in San Francisco, California, USA.[2]

History

Diamond Foundry was founded in 2012 by Martin Roscheisen and Jeremy Scholz.[1] The company raised approximately $315 million in funding from various investors, including $200 million from Fidelity, Sun Microsystems and Google founding investor Andy Bechtolsheim, iPod co-creator Tony Fadell, eBay founding president Jeff Skoll, Twitter founder Evan Williams, Facebook co-founder Andrew McCollum, actor Leonardo DiCaprio, and businessman Jean Pigozzi.[3][4]

In November 2016, the company purchased Vrai and Oro, a jewelry brand founded by entrepreneur Vanessa Stofenmacher.[5] In 2020, they rebranded as VRAI, and in 2021, opened a showroom in Los Angeles, California.[6]

In March 2022, Diamond Foundry announced a lawsuit against the United States Trade Office in response to trade tariffs put in place against China.[7] The company claimed the tariffs penalize businesses to an excessive degree for using polishing services in China.[7]

In November 2025 they announced a new factory in Spain.[8]

Technology

The company used software simulations of plasma physics to develop its technology for managing a high-density plasma for diamond growth at high temperatures.[9]

The company grows diamonds using the chemical vapor deposition (CVD) method, a vacuum deposition process in which a small piece of natural diamond is placed in a plasma reactor for a period of about two weeks.[10] The resulting man-made diamond is essentially identical to natural diamonds (atomically, molecularly, chemically, visually, in terms of hardness, optical brilliance, crystalline structure, etc.).

Awards and recognition

References

  1. ^ a b c "Diamond Foundry". Inc. Magazine. Retrieved 2018-11-20.
  2. ^ "Company". Diamond Foundry. Retrieved 2022-01-17.
  3. ^ Shontell, Alyson (November 11, 2015). "10 billionaires and Leonardo DiCaprio invested in a startup that claims it can grow hundreds of real diamonds in two weeks". Business Insider. Retrieved 2018-11-20.
  4. ^ Pettitt, Jeniece (December 15, 2015). "Diamond Foundry makes high-end diamonds in a lab". CNBC. Retrieved 2017-05-17.
  5. ^ "Diamond Foundry-Owned Brand to Open First Retail Location". nationaljeweler.com.
  6. ^ "Vrai Goes High Art and High Touch for New Los Angeles Showroom". jckonline.com.
  7. ^ a b Chiu, Richard (2022-03-21). "Diamond Foundry announces lawsuit against US Government". jewellermagazine.com. Retrieved 2022-04-26.
  8. ^ Peña, Juan Cruz (2025-11-25). "El Gobierno y una tecnológica de EE UU invertirán 2.350 millones en una fábrica de chips en Cáceres". El País (in Spanish). Retrieved 2025-12-06.
  9. ^ "Borrowing From Solar and Chip Tech to Make Diamonds". The New York Times. November 12, 2015. Retrieved 2016-11-01.
  10. ^ "Company claims it can 'grow' diamonds in a lab". Fox News. November 11, 2015. Retrieved 2018-11-20.
  11. ^ Carson, Biz; Kosoff, Maya (December 10, 2015). "The 25 hottest startups that launched in 2015". Business Insider. Retrieved 2018-11-20.
  12. ^ "Meet the 2016 CNBC Disruptor 50 companies". CNBC. June 7, 2016. Retrieved 2018-11-20.
  13. ^ "The 25 Most Disruptive Companies of the Year". Inc. Magazine. Retrieved 2018-11-20.
  14. ^ "The World's Most Innovative Companies 2018: Honorees by Sector: Style". Fast Company. Retrieved 2018-11-20.
  15. ^ "The World's Most Innovative Companies 2018". Fast Company. Retrieved 2018-11-20.
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