Diamond Quanta
PrivateLast Round
Accelerator
Nov 5, 2025
Total Funding Raised
$100,000
Momentum
Top 25%
of companies Caplight tracks
Company Overview
Diamond Quanta operates in Frontier & Industrial Tech and is based in Mountain View, California. Its latest recorded funding round was an Accelerator round in November 2025.
Diamond Quanta is a semiconductor materials platform company developing a scalable engineered diamond platform for coatings, substrates, and active devices across the consumer, automotive, aerospace, defense, and quantum photonics industries.
Sector
Frontier & Industrial Tech
Verticals
Advanced Materials, Semiconductors, Computing Hardware, Quantum Computing, Consumer Electronics
Business Model
B2B
Customer Profile
Hardware Sales, Services & Consulting, Government Contracts
AI Layer
Infrastructure
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Diamond Quanta Comparables
Compare Diamond Quanta with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Diamfab | 78% | |
| VISION IV Corporation | 73% | |
| OOKUMA DIAMOND DEVICE Co., Ltd. | 73% |
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Diamond Quanta Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Accelerator | Nov 5, 2025 | ||||
| Seed | Sep 30, 2025 | ||||
| Accelerator | Sep 4, 2024 |
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Key People
Founding team and executive leadership
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Diamond Quanta Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Plug and Play Tech Center | Accelerator |
| Silicon Catalyst | Accelerator |
| CoreLabs Capital | Seed |
Market signals
Structured signals derived from secondary market and firmographic data.
- Jul 24, 2026
Monthly visitors grew 170% MoM to 1.3K.
- Jan 19, 2026
Monthly visitors increased 31% MoM, reaching 1.2K.
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Recent news
Latest coverage and updates
- is_developingNov 9, 2026
Diamond Quanta aims to create Diamond Forge 1, an integrated pilot manufacturing platform, at its operations and process development center in California after determining laser-processing conditions.
- attends_eventOct 8, 2026
Diamond Quanta plans to showcase the first parts produced through the Petaluma operation at CES 2027 in Nevada on Jan 6th-9th '27, demonstrating Adamantine Platform applications for engineered-diamond optical surfaces and thermal interfaces.
- expands_facilitiesOct 8, 2026
Diamond Quanta establishes its primary operations and process development center in California, where it builds its first pilot manufacturing system and expects to produce its first parts within months.
- launchesSep 4, 2026
Diamond Quanta plans to debut Adamantine Optics(TM) technology at CES 2026 Eureka Park in Nevada, showcasing an engineered-diamond antireflective coating designed to improve durability, scratch resistance, and optical clarity.
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Diamond Quanta Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
Filing documents are not displayed on this public page. Request access to learn about available coverage.
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Frequently Asked Questions
Common questions about Diamond Quanta's valuation, stock price, and market status.
Is Diamond Quanta a public or private company?
Diamond Quanta is a private company.
What is the current stock price of Diamond Quanta?
Diamond Quanta is a private company, so its shares have no public market price. Caplight tracks Diamond Quanta's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Diamond Quanta worth (valuation)?
Valuation information for Diamond Quanta is not publicly available.
Can I buy Diamond Quanta stock?
Diamond Quanta shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Diamond Quanta's last funding round?
Diamond Quanta's most recent funding round was Accelerator on November 5, 2025.
Who are the main investors in Diamond Quanta?
Key investors in Diamond Quanta include Plug and Play Tech Center, Silicon Catalyst, CoreLabs Capital.
Will Diamond Quanta IPO soon?
No public IPO plans have been announced for Diamond Quanta.
How can I track Diamond Quanta secondary market activity?
Caplight tracks bids, offers, and trades in Diamond Quanta's shares on secondary markets.