Diamond Foundry
DF
Diamond Foundry produces lab-grown diamonds and single-crystal diamond wafers. It sells diamond jewelry through VRAI and develops wafers for semiconductor thermal management, power electronics, and wireless applications. The company builds much of its manufacturing technology in house.
Founded by Martin Roscheisen (Founder & CEO), Jeremy Scholz (Co-Founder (CTO)), Kyle Gazay (Co-Founder)
Blended valuation$4.2B$4.2B secondary
Valuation history
Weekly blended valuation with priced funding rounds marked on the timeline.
$4.5B
blended valuation
May 31, 2021$1.4BOct 5, 2026
All rounds
3 funding rounds, newest first.
| Round | Announced | Raised | Post-money |
|---|---|---|---|
| Series C | Mar 29, 2021 | $200M | $1.8B |
| Series B | Oct 1, 2018 | $100M | $1.7B |
| Series A | Nov 15, 2015 | $50M | — |
Investors
10 investors across all rounds.
- VVVast Ventures
- CBCyan Banister
- IFInvariantes Fund
- MPMark Pincus
- CVCaspian VC Partners
- FPFernando Pontaza
- JPJean Pigozzi
- JSJeffrey S. Skoll
- MGMark Goldstein
- MCMindrock Capital
Secondary market activity
Recent buy and sell interest for Diamond Foundry shares on the secondary market.
| Kind | Implied valuation | Price / share | Date |
|---|---|---|---|
| $5B | — | Oct 6, 2026 | |
| $1.5B | $20.64 | Jul 24, 2026 | |
| $1.5B | $20.57 | Jul 17, 2026 |
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Data as of Oct 16, 2026. Valuations are estimates blended from primary and secondary-market signals — not investment advice.