Diamond Foundry produces lab-grown diamonds using proprietary plasma reactor technology, creating diamonds that are chemically, physically, and optically identical to mined diamonds. The company serves both luxury jewelry markets and industrial applications requiring high-performance materials. Founded by Martin Roscheisen, Diamond Foundry positions itself as a sustainable alternative to traditional diamond mining, using renewable energy to power their manufacturing process. The company has partnerships with luxury jewelry brands and continues to scale production capacity.
Diamond Foundry has received investment from 1 venture capital firm.
| Date | Round | Amount | Lead Investor |
|---|---|---|---|
| Sep 2025 | Series C+ | $320M | Fidelity Management |
Diamond Foundry is a producer of lab grown diamonds based in San Francisco, California, USA.
Diamond Foundry has received investment from Obvious Ventures. These venture capital firms and investors provide both capital and strategic support.
Diamond Foundry has raised $200M in total funding, with their most recent round being a Series D+. The company operates in the Deeptech sector.
Diamond Foundry was founded in 2012 and is headquartered in San Francisco, California.
Diamond Foundry operates in the Deeptech sector. Diamond Foundry is a producer of lab grown diamonds based in San Francisco, California, USA.
