The Global Electronic Grade Diamond Market was valued at USD 58.8 Million in 2025 and is projected to reach USD 639 Million by 2034, growing at a Compound Annual Growth Rate (CAGR) of 43.7% during the forecast period (2024–2030). This explosive growth is being driven by the increasing demand for high-power, high-frequency, and high-temperature electronic devices, alongside the critical need for materials that surpass the performance limitations of traditional semiconductors like silicon and silicon carbide.

As the electronics industry pushes the boundaries of performance and efficiency, the focus shifts to material science pioneers who are advancing the production and application of ultra-pure diamond. In this blog, we profile the Top 10 Companies in the Electronic Grade Diamond Industry—a mix of established synthetic diamond giants, specialized material science firms, and innovative startups shaping the future of next-generation electronics.

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🔟 1. Element Six

Headquarters: Luxembourg, Luxembourg
Key Offering: CVD and HPHT Single Crystal Diamond Wafers, Substrates

Element Six, a De Beers Group company, is the global leader in synthetic diamond supermaterials. Its electronic grade diamond products are renowned for their exceptional purity and crystalline perfection, serving research institutions and commercial developers of advanced semiconductor devices. The company invests heavily in scaling production capabilities to meet the burgeoning demand from the power electronics and quantum computing sectors.

Innovation Initiatives:

• Pioneering large-area, high-quality CVD diamond growth technologies

• Strategic R&D partnerships with leading universities and tech companies for diamond-based electronics

• Focus on reducing defect densities to enable commercial viability of diamond semiconductors

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9️⃣ 2. Orbray Co., Ltd.

Headquarters: Tokyo, Japan
Key Offering: Jewel Bearings, Micro-Diamond Tools, Electronic Grade Diamond Substrates

Orbray (formerly known as NAKANISHI) is a Japanese precision manufacturer with deep expertise in fine ceramics and gemstones. The company has successfully leveraged its mastery of crystal growth to develop high-purity electronic grade diamond substrates. Its materials are crucial for applications requiring extreme durability and thermal management, such as in high-power RF devices.

Innovation Initiatives:

• Development of proprietary crystal growth techniques for ultra-low defect diamond

• Expansion of substrate size and quality for industrial-scale semiconductor fabrication

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8️⃣ 3. Diamond Foundry Inc.

Headquarters: San Francisco, California, USA
Key Offering: Lab-Grown Diamond Wafers, CVD Diamond for Electronics

Diamond Foundry is a technology company known for its vertically integrated, hydro-powered CVD diamond production. While initially famous for gemstones, the company’s core technology is squarely aimed at producing high-quality electronic grade diamond at scale. Its sustainable production method positions it as a key supplier for the future of green electronics.

Innovation Initiatives:

• Plasma reactor technology capable of growing large, high-quality diamond crystals

• Focus on making diamond a cost-effective solution for thermal management in electric vehicles and data centers

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Electronic Grade Diamond Market – View in Detailed Research Report

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7️⃣ 4. AKHAN Semiconductor

Headquarters: Gurnee, Illinois, USA
Key Offering: Miraj Diamond® platform, Diamond-based electronic devices

AKHAN Semiconductor is a pioneer in the fabrication of functional electronic devices directly on diamond substrates. The company’s patented low-temperature doping process overcomes a major hurdle in diamond electronics, enabling the creation of viable diamond-based transistors, diodes, and other components for commercial and defense applications.

Innovation Initiatives:

• Development of the world’s first manufacturable doped diamond semiconductor film

• Collaborations with defense agencies and consumer electronics giants to integrate diamond into next-gen devices

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6️⃣ 5. Applied Diamond, Inc.

Headquarters: Wilmington, Delaware, USA
Key Offering: CVD Diamond Films, Diamond Heat Spreaders, Optical Grade Diamond

Applied Diamond specializes in the production of high-quality CVD diamond films and coatings. Its electronic grade diamond products are primarily used as superior heat spreaders in high-power electronics, including laser diodes, power amplifiers, and high-performance computing systems, where managing thermal load is critical.

Innovation Initiatives:

• Advancements in deposition processes to enhance the thermal conductivity and electrical properties of diamond films

• Customization of diamond solutions for specific thermal management challenges in aerospace and telecommunications

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5️⃣ 6. Advanced Crystal Technology

Headquarters: Hsinchu, Taiwan
Key Offering: Synthetic Diamond Substrates, HPHT and CVD Crystals

Advanced Crystal Technology is a key player in the Asian market, supplying high-purity synthetic diamond materials for both electronic and industrial applications. The company’s strength lies in its consistent quality control and ability to produce diamond substrates tailored for specific device architectures in the burgeoning semiconductor industry.

Innovation Initiatives:

• Focus on cost-reduction strategies for HPHT and CVD diamond production

• Expansion of production capacity to serve the East Asian electronics manufacturing hub

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4️⃣ 7. Xiamen Powerway Advanced Material Co., Ltd. (PAM-XIAMEN)

Headquarters: Xiamen, China
Key Offering: Semiconductor Wafers (including GaAs, GaN, SiC), Diamond Substrates

PAM-XIAMEN is a leading supplier of compound semiconductor wafers and has expanded its portfolio to include diamond substrates. The company serves a global clientele, providing the foundational materials needed for advanced electronic and optoelectronic devices. Its entry into the diamond market underscores the material’s growing importance alongside other wide bandgap semiconductors.

Innovation Initiatives:

• Integration of diamond substrates into its broad portfolio of advanced semiconductor materials

• Leveraging established global supply chains to distribute electronic grade diamond to research and industrial customers

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3️⃣ 8. Carat Systems

Headquarters: New York, USA
Key Offering: Single Crystal Diamond, Diamond Anvil Cells, Research-Grade Diamond

Carat Systems specializes in providing high-quality synthetic diamond products primarily for extreme conditions research, such as in diamond anvil cells for high-pressure studies. The high-purity, single-crystal diamond produced by the company also serves as a critical material for developing and testing prototype electronic devices in research laboratories worldwide.

Innovation Initiatives:

• Supplying bespoke, research-grade diamond crystals to academic and government research institutions

• Supporting fundamental research that paves the way for future commercial diamond electronics applications

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2️⃣ 9. Ningbo Crysdiam Technology Co., Ltd.

Headquarters: Ningbo, Zhejiang, China
Key Offering: HPHT Synthetic Diamond, Diamond Powder, Diamond Tools

Ningbo Crysdiam Technology is a significant manufacturer of synthetic diamond using the High-Pressure High-Temperature (HPHT) method. The company is actively developing its capabilities to produce electronic grade diamond crystals, aiming to capture a share of the high-value semiconductor materials market, particularly within China’s rapidly growing domestic electronics sector.

Innovation Initiatives:

• Transitioning from industrial diamond abrasives to high-purity electronic grade diamond production

• Investing in R&D to improve the size and quality of HPHT-grown single crystals for electronic applications

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1️⃣ 10. IIa Technologies Pte. Ltd.

Headquarters: Singapore
Key Offering: Large, High-Purity CVD Diamond Plates, Optical and Electronic Grade Diamond

IIa Technologies was renowned for its capability to produce some of the world’s largest and purest CVD diamond plates. While the company underwent restructuring, its technological legacy in growing large-area, high-quality diamond substrates remains influential. The processes developed by IIa continue to inform the industry’s approach to scaling up diamond wafer production for electronics.

Innovation Initiatives (Historical Impact):

• Pioneered methods for growing CVD diamond wafers over 10 carats in size

• Demonstrated the feasibility of diamond for large-scale optical and electronic applications

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Electronic Grade Diamond Market – View in Detailed Research Report

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🌍 Outlook: The Future of Electronics Is Built on Diamond

The electronic grade diamond market is at a pivotal inflection point. While still a niche material, its unparalleled material properties are attracting massive R&D investment, positioning it to become a cornerstone of future high-performance electronics.

📈 Key Trends Shaping the Market:

• Breakthroughs in doping technologies to create reliable n-type and p-type semiconductor diamond

• Rapid adoption as a thermal management solution in 5G infrastructure, electric vehicle power electronics, and high-performance computing

• Government and private funding boosting R&D for diamond-based quantum sensors and qubits

• Strategic collaborations between material suppliers and device manufacturers to co-develop integrated diamond electronics

Get Full Report Here:
Electronic Grade Diamond Market – View in Detailed Research Report

The companies listed above are not just producing a superior material—they are laying the foundation for the next revolution in electronics, enabling technologies that were once considered impossible.