Company

Diamond Foundry

Rocket Ship Rating

Rocket Ship Rating: 96 out of 100

We are building the Diamond Age.

Also known as DIAMOND FOUNDRY INC.

AI models & AI infrastructure
Semiconductors & computing hardware
Climate positive
Deeptech
Hardware

Status: Operatingas of 2026-09-17
Business model: B2B
Headquarters: San Francisco, California, United States
Founded: 2012
Customers: Mega techs
Legal name: DIAMOND FOUNDRY INC.

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Record updated 28 September 2026

About

Diamond has unmatched semiconductor physics. By far and away.

Funding snapshot

Total raised: $200MSEC form D sum, as of 2026-09-28Source (opens in a new tab)
Latest round: Round, $200M2021-03-15

Funding rounds

Round, 2021: $200M2021-03-15, SEC form D sold, 20 investors

Products

Hardware: diamond wafer