Diamond Foundry stock
Private-market facts for current and former Diamond Foundry employees researching their stock.
Overview
Diamond Foundry produces lab-grown diamonds using plasma reactors powered by renewable energy, selling both gemstones and diamond wafers for industrial and semiconductor applications.
Selling Diamond Foundry shares
Why shareholders consider selling
Shareholders in Diamond Foundry may explore liquidity for a number of reasons — diversifying a concentrated position, funding a personal financial goal, or simply reducing exposure to a single private holding. As a private company, Diamond Foundry does not trade on a public exchange, meaning employees and early shareholders cannot simply sell through a brokerage. Extended private timelines can leave shareholders waiting years for an exit event, which is why some choose to explore secondary-market options.
Can you sell Diamond Foundry stock?
Whether a shareholder can sell typically depends on what they hold and how it was acquired. Vested and exercised shares are generally more straightforward than unexercised options or unvested RSUs. Most private companies, including those in the Semiconductors & Hardware sector, impose transfer restrictions such as rights of first refusal or board approval requirements. The specific terms governing Diamond Foundry shares would be outlined in the holder's equity agreement or the company's governing documents.
What affects the value of Diamond Foundry shares?
The price a buyer is willing to pay for private shares is shaped by several factors: overall demand for the stock, the company's financial performance, broader Semiconductors & Hardware market conditions, and any recent private-market transaction activity. Data points such as the company's Series C round and its reported $2B valuation can help frame expectations, though they do not guarantee a transaction price.
What should holders check before selling
- The type of security held (common shares, preferred, options, RSUs)
- Whether the equity is fully vested and, for options, whether it has been exercised
- Any transfer restrictions, lock-up provisions, or company approval requirements
- Estimated net proceeds after applicable taxes and transaction fees
- Whether partial liquidity — selling a portion rather than the full position — may be a better fit
Tools for Diamond Foundry shareholders
Exploring equity in Diamond Foundry often raises questions about taxes, exercise timing, valuation, and exit outcomes. These tools can help you model different decisions using your own assumptions.
Latest funding round
Diamond Foundry most recently raised a Series C round . The company was valued at $2B. Total funding raised to date is approximately $315M.
Lead investors in this round include Fidelity Investments.
Founders & company background
Diamond Foundry was founded in 2012 by Martin Roscheisen and is headquartered in San Francisco, CA.
Investors
Industry
Similar private companies
Latest Diamond Foundry news
Frequently asked questions
- Is Diamond Foundry still a private company?
- Yes, Diamond Foundry is currently a private company.
- What is Diamond Foundry's latest funding round?
- Diamond Foundry's most recent known round is Series C.
- What is Diamond Foundry's valuation?
- Diamond Foundry's latest reported valuation is $2B.
- Who are the investors in Diamond Foundry?
- Notable investors include Fidelity Investments.
- Can I sell my Diamond Foundry stock?
- Private company shares can sometimes be sold on secondary markets. Speaking with a specialist who understands Diamond Foundry stock can help you evaluate your options.
Related pages
Last verified: 2026-04-13 · Diamond Foundry data compiled from funding disclosures, investor announcements, corporate filings, and public records.
Information on this page is compiled from publicly available sources and may be outdated or incomplete. This is not investment advice. Consult a qualified advisor before making financial decisions.