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Diamond Foundry
Cultures diamonds in California with a zero carbon footprint and offers diamond jewelry from independent designers
At a glance
- Founded
- 2012
- Headquarters
- San Francisco, United States
- Sector
- Fashion · Luxury
- Power Law
- Unicorn$1–10B valuation tier
Investors
From Dealroom's funding and investor records, grouped by the round each investor first entered.
Seed2 investors entered at this stage
- PEPeopleFund
- MTMatias de Tezanos
Series A14 investors entered at this stage
- MPMark Pincus
Obvious Ventures- APAlison Pincus
- LDLeonardo DiCaprio
- CGCapricorn Investment Group
- AMAndrew McCollum
- DSDavid Spector
- MGMark Goldstein
- ONOwen Van Natta
- CPCaspian VC Partners
Scott Banister- JPJean Pigozzi
Cyan Banister
Vast Ventures
Series B and later2 investors entered at this stage
Fidelity Investments- IFInvariantes Fund
Ownership
Estimated cap table from Dealroom's shareholder data — share of equity by holder. Stakes as last recorded by Dealroom (2026). Percentages are indicative.
Some investors are hidden on this public profile. See the full cap table on Dealroom →
Source: Dealroom Talent Intelligence.
Global footprint
team presence
across markets
Patents
9 active patent families included in this estimate.
A patent family groups patent filings for the same invention. Source: Dealroom · PatSnap.
Market sentiment
An AI-synthesised read of the highest-engagement posts about Diamond Foundry on X, ranked by likes and reposts, corporate channels excluded.
Reading the room on X — pulling top posts and synthesizing themes…
Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour
See Diamond Foundry on the full Dealroom platform
Live deal flow, founder pedigree, hiring signals, revenue trajectory, and the full cap table.