Verified Nov 2026
Castings & Forgings
·
San Francisco, California
·
Since 2013
Diamond Foundry is a San Francisco, California company founded in 2013 that produces lab-grown single-crystal diamonds for jewelry and semiconductor applications. It is privately held and has an estimated 200-500 employees and an estimated annual revenue of $10-50M. Its industries include electronics, electric vehicles, automotive, renewable energy, and industrial equipment. The company's semiconductor products include diamond wafers and chiplets. In May 2026, it completed the purchase of a former Becton plant in Zaragoza, Spain, to begin building out its chip manufacturing operations.
Diamond Foundry at a glance
Revenue
$10-50M
Est. band
Employees
200-500
Founded
2013
Headquarters
San Francisco, California
Import activity
15
Industries
Automotive
Electric Vehicles
Electronics
Plumbing & Hardware
Renewable Energy
Industrial Equipment
Sourcing and import activity
From US customs bill-of-lading records
US sea imports
15
Named foreign suppliers
9
Top origins
Germany · Taiwan · Portugal · Italy
Shared foreign counterparties do not establish that these companies buy from Diamond Foundry.
What this tells a buyer
Spanish news outlet El Periódico de Aragón reported in May 2026 that Diamond Foundry completed its purchase of the former Becton plant in Zaragoza, and Spain's SETT announced a 752 million euro investment in the company for microchip component development.
The record lists semiconductor, battery, and electronics as product areas, and the company describes its diamond wafers and chiplets as targeting AI, cloud computing, and electric vehicle applications.
The company is privately held, and the record does not identify any named customers or industry certifications.
Source: US customs bill-of-lading records and public filings · Last verified Nov 05, 2026
Overview
Diamond Foundry is a San Francisco, California company founded in 2013 that produces lab-grown single-crystal diamonds for jewelry and semiconductor applications. It is privately held and has an estimated 200-500 employees and an estimated annual revenue of $10-50M. Its industries include electronics, electric vehicles, automotive, renewable energy, and industrial equipment. The company's semiconductor products include diamond wafers and chiplets. In May 2026, it completed the purchase of a former Becton plant in Zaragoza, Spain, to begin building out its chip manufacturing operations.
At a glance
Attribute | Detail |
|---|---|
Founded | 2013 |
Headquarters | San Francisco, California |
Employees | 200-500 |
Revenue | $10-50M (estimated) |
Primary capability | Castings & Forgings |
What Diamond Foundry makes
The record lists semiconductor, battery, and electronics as product areas, and the company describes its diamond wafers and chiplets as targeting AI, cloud computing, and electric vehicle applications.
Products and capabilities described on the company's own site include Semiconductor, Battery, Electronics (source: df.com).
Trade and customs footprint
Spanish news outlet El Periódico de Aragón reported in May 2026 that Diamond Foundry completed its purchase of the former Becton plant in Zaragoza, and Spain's SETT announced a 752 million euro investment in the company for microchip component development. US customs bill-of-lading records list 15 inbound shipments across 9 foreign suppliers, with top origins including Germany · Taiwan · Portugal · Italy.
Latest developments
2026-05-20 — La SETT formaliza una inversión de 752 millones de euros en la empresa Diamond Foundry para desarrollar componentes de microchips en España - SETT (gob.es)
2026-05-20 — Diamond Foundry - SETT (gob.es)
2026-05-08 — Diamond Foundry culmina la compra de la antigua planta de Becton en Zaragoza e inicia el despliegue de su industria de chips (elperiodicodearagon.com)
2026-03-29 — DF2 update Our DF2 single-crystal diamond ingot growth foundry in Trujillo, Spain achieved high-quality production this quarter on its first three reactor lines despite production. | Diamond Foundry (linkedin.com)
2026-02-01 — La tecnológica Diamond Foundry invertirá 1.000 millones en una fábrica de chips en Zaragoza | Economía | EL PAÍS (elpais.com)
2025-11-25 — DF adds $2.77B fab in Spain | Diamond Foundry (df.com)
Company details
The company is privately held, and the record does not identify any named customers or industry certifications. Diamond Foundry was founded in 2013, has an estimated 200-500 employees, and is headquartered in San Francisco, California.
Frequently asked questions
What does Diamond Foundry make?
Diamond Foundry is a San Francisco, California company founded in 2013 that produces lab-grown single-crystal diamonds for jewelry and semiconductor applications. It is privately held and has an estimated 200-500 employees and an estimated annual revenue of $10-50M. Its industries include electronics, electric vehicles, automotive, renewable energy, and industrial equipment. The company's semiconductor products include diamond wafers and chiplets. In May 2026, it completed the purchase of a former Becton plant in Zaragoza, Spain, to begin building out its chip manufacturing operations.
Where is Diamond Foundry headquartered?
Diamond Foundry is headquartered in San Francisco, California.
When was Diamond Foundry founded?
Diamond Foundry was founded in 2013.
How big is Diamond Foundry?
Diamond Foundry has an estimated 200-500 employees, with revenue in the $10-50M range (estimated).
Does Diamond Foundry import from overseas suppliers?
US customs bill-of-lading records show 15 inbound shipments for Diamond Foundry, with top origins including Germany · Taiwan · Portugal · Italy.
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Last verified Nov 2026. Is this your company? Request a correction.
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