Company Comparison
Commonwealth Fusion vs Diamond Foundry
Side-by-side comparison of two portfolio companies — sector, funding stage, investors, valuation, and more.
| Metric | Commonwealth Fusion | Diamond Foundry |
|---|---|---|
| Sector | Deeptech | Deeptech |
| Headquarters | — | San Francisco, California |
| Founded | 2018 | 2012 |
| Status | Active | Active |
| Last Funding Stage | — | Series D+ |
| Total Funding | — | $200M |
| Valuation | — | $1.8B |
What They Build
Commonwealth Fusion
Commonwealth Fusion Systems (CFS) is an American fusion power company founded in 2018 in Cambridge, Massachusetts, after a spin-off from the Massachusetts Institute of Technology (MIT).
Diamond Foundry
Diamond Foundry is a producer of lab grown diamonds based in San Francisco, California, USA.
Key Investors
Commonwealth Fusion
Diamond Foundry
Sector Overlap
Both Commonwealth Fusion and Diamond Foundry operate in Deeptech.
Browse all Deeptech companies →Websites
The operating system for private capital.
Archstone runs the back office for venture, PE, real estate, and credit funds — LP reporting, capital calls, portfolio tracking, and fund accounting, in one platform. Now in alpha.
14-day free trial. No credit card required.