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Diamond Foundry

Fashion · Luxury · San Francisco, United States · Founded 2012

Cultures diamonds in California with a zero carbon footprint and offers diamond jewelry from independent designers

Valuation $1–2.5B
Revenue $100–500M
Headcount 100–500
Unlock exact values This page shows ranges. Dealroom has the exact numbers for Diamond Foundry and the history behind them.
Power Law Unicorn$1–10B valuation tier
Knowledge graph
Market map US Advanced Materials Startups Jun 25, 2026 News Spain formalises €752M investment in Diamond Foundry for chip manufacturing May 23, 2026

Talent graph

Diamond Foundry's talent

Book a demo to see the people
Employees mapped 360 incl. 4 AI specialists
Founders Hidden — book a demo/100 quality score
Key operators 9 quality Hidden — book a demo/100
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Investors

18 investors on Diamond Foundry's cap table

Sourced from Dealroom's funding history. Investor profile links are shown where available.

Seed 2 investors entered at this stage
PeopleFund
Matias de Tezanos
Series A 14 investors entered at this stage
Mark Pincus
Obvious Ventures
Alison Pincus
Leonardo DiCaprio
Capricorn Investment Group
Andrew McCollum
David Spector
Mark Goldstein
Owen Van Natta
Caspian VC Partners
Scott Banister
Jean Pigozzi
Cyan Banister
Vast Ventures
Series B+ 2 investors entered at this stage
Fidelity Investments
Invariantes Fund

Ownership

Who owns Diamond Foundry

Estimated cap table from Dealroom's shareholder data — share of equity by holder. Stakes as last recorded by Dealroom (2026). Percentages are indicative.

40.7% Founders

Some investors are hidden on this public profile. See the full cap table on Dealroom →

Global footprint

Where Diamond Foundry has talent and traffic

Workforce by country
7 countries with
team presence
🇺🇸 United States75%
🇪🇸 Spain18.4%
🇦🇪 United Arab Emirates2.7%
🇩🇪 Germany1.3%
🇨🇳 China0.9%
Top 5 of 7 shown
Web traffic by country
29K monthly visits
across markets
🇪🇸 Spain33.4%
🇺🇸 United States29%
🇬🇧 United Kingdom7.9%
🇯🇵 Japan7.9%
🇵🇭 Philippines6.9%
Top 5 markets shown

Patent intelligence

$100k patent portfolio · 9 active families

Estimated portfolio value
$100k
<0.01% of valuation · 7.3× smaller than top peer The RealReal ($733k)
9 active patent families

Source: Dealroom Patent Intelligence · Patsnap. Request a demo for the full per-sub-category breakdown, individual records, and quality-score history.

Market sentiment

What the market is saying about Diamond Foundry

An AI-synthesized read of the highest-engagement posts about Diamond Foundry on X over the past 7 days. We rank by likes & retweets, ignore corporate channels, and surface the themes that broke out from real people.

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.

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