Diamond Foundry Stock
Private company — Diamond Foundry is privately held. Its shares are not listed on any public exchange and can only be accessed through private secondary transactions.
Status source: AXEVIL investment team
$37.49 per share (AXEVIL consensus estimate)
Source: AXEVIL consensus of recent secondary transactions · as of 30 June 2026
Valuation: $2.81B
Source: C, April 2021 — post-money $1.8B
Data last updated: 22 September 2026
About Diamond Foundry
Lab-grown diamonds (CVD) for the jewelry industry and semiconductor applications (diamond wafers). Backed by Leonardo DiCaprio. Partnership with LVMH for the luxury brand VRAI.
Diamond Foundry is the only company in the world to have learned to grow diamond in wafers the size of a silicon substrate. Founded in 2012 in San Francisco. The material draws heat away from AI chips and power electronics tens of times better than silicon; diamond is grown in reactors from methane and electricity, and over ten years the company turned this from a jewelry story into a materials-science one. In October 2023 it produced the world's first single-crystal diamond wafer. The Trujillo plant started up in January 2025, five weeks ahead of plan, and in November 2025 full financing was announced for a $2.77B expansion, of which €753M comes from Spain. Valued at $1.8B in a Series C (April 2021, $24 per share); $315M in equity raised.
- Sector: Consumer & Retail
- Headquarters: San Francisco, CA
- Founded: 2012
Funding rounds
| Date | Round | Price / share | Post-money valuation |
|---|---|---|---|
| 27 April 2021 | C | $24.00 | $1.8B |
| 1 October 2018 | B4 | $12.00 | $660M |
| 11 November 2015 | B | $5.00 | $412M |
| 4 November 2012 | A | $0.25 | $49M |
Frequently asked questions
Can I buy Diamond Foundry stock?
Not on a public exchange — Diamond Foundry is privately held. Shares change hands only in private secondary transactions. AXEVIL structures those as dedicated US special purpose vehicles for accredited investors, subject to availability and to the rules of your jurisdiction.
How much is one Diamond Foundry share?
A private company has no single official price. AXEVIL's consensus estimate is $37.49 per share as of 30 June 2026. Its most recent round implied a post-money valuation of $1.8B (April 2021).
When will Diamond Foundry IPO?
No listing has been announced. AXEVIL does not forecast IPO dates — this page states what has actually been filed or reported, with the date it was last checked.
Is Diamond Foundry publicly traded?
No. Diamond Foundry is a private company and its shares are not listed on any public exchange.
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Risk disclosure
Nothing on this page is an offer to sell or a solicitation to buy any security, and it is not investment advice. Valuations and share prices shown here are AXEVIL estimates built from primary sources — filings, announced rounds and completed secondary transactions — not quoted market prices, and they can be revised. Private-company shares are illiquid, may be impossible to sell, and the entire amount invested can be lost. Availability depends on your jurisdiction and on accredited-investor status.