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Diamond Foundry

Manufacturer of diamonds intended for the jewelry and semiconductor industries.
Manufacturer of diamonds intended for the jewelry and semiconductor industries.
Luxury Goods 📍 San Francisco, CA Founded 2012
Current Valuation
$1.8B
as of 2021-Q1
UNICORN

QL Price

$2.2B
+22% vs last round
QuantLogix's current estimate for Diamond Foundry, published 2026-09-08 — above the last disclosed round of $1.8B (2021-Q1).
Confidence
medium
Basis
secondary led
What backs this price
Last disclosed round $1.8B 2021-Q1 weight 0.02
Secondary market print $2.2B 2026-06-27 weight 0.64
How this price has held up
No round has priced for Diamond Foundry since QuantLogix began publishing a price for it, so there is nothing to grade yet. The claim above is on the record from 2026-09-08 and will be graded against the next priced round. See the full accuracy record →
How to actually get exposure to Diamond Foundry →
Which publicly-traded funds already hold it, what $10,000 buys, and whether any route is open to you.
Cite this price as QuantLogix QL Price, Diamond Foundry, 2026-09-08 (76a090038c9fae54). The id pins this exact claim, so a citation stays checkable after the price moves. Model estimate for research — not a quote, target price, or investment advice.

IPO Outlookprivate

Is Diamond Foundry going public?
No. Diamond Foundry is private and has not filed to go public. There is no S-1 on file.
What is Diamond Foundry's valuation in 2026?
Diamond Foundry is valued at $1.8B as of 2021-Q1, set by its Series C ($200M, Mar 2021). That is the last confirmed mark, not a live price — private shares do not trade continuously.
Has Diamond Foundry filed an S-1?
No public S-1 is on file for Diamond Foundry.
Answers are derived from the roster record shown on this page — filing status, last round and confirmed marks. Where the record is silent, the answer says so rather than guessing.

Company Profile

Founded
2012
HQ
San Francisco, CA
Employees
183
Total Raised
$241M
Last Round
Series C — $200M (Mar 2021)
IPO Status
private

Fundraising Status

Series C · $200M · 5y 6mo ago
privateTotal raised $241M

Secondary Market

Implied price / share
$29.56
Last round price / share
$24
vs last round
+23.2%
Open interest
1
Last round price vs secondary price
Last round vs current secondary price per share$24.00Last round$29.56Current
Secondary price return by period
Secondary market period returns3-month+34.4%6-month+39.6%1-year-44.2%All-time+102%
Implied per-share price from private secondary transactions, as of Jun 2026. This is a point estimate, not a quote — the feed carries no bid, ask or spread, and a secondary print is evidence of what someone paid on that date rather than a live market. Compare across every tracked name →

Latest Funding Round

RoundAmountDateLead InvestorPost-Money
Series C$200MMar 2021$1.8B

Talent Signal

Hiring trend
Hiring steady
32% of roles posted in last 30d
Open roles
47
via lever
Product-build share
51%
engineering, research, product, design
Trajectory
steady
product-led hiring — 51% of open roles build product; the rest are go-to-market and G&A.
Actively hiring with no tracked executive churn.
Open roles by month
Open roles by month47Aug '26
Open roles by function
Open roles by functionOther17Engineering13Hardware10Sales & GTM4Marketing1Ops & People1Product1
product-building   go-to-market / G&A
Equipment EngineerFacilities Electrical Engineer - Substations and High Voltage Infrastructure SpeManufacturing Engineering SupervisorManufacturing Process TechnicianManufacturing Software EngineerMechanical Design Engineer
Counted from Diamond Foundry's live job board as of 2026-08-17; role functions classified from posting titles. Open-role counts are an activity signal, not headcount. Refreshed monthly.
FoundriesSemiconductorConsumer Goods
Private-company numbers are not real-time. Reflects publicly disclosed valuations from press releases, news reports, and tender offers as of 2021-Q1. Refreshed quarterly.