The Global Single-Crystal Diamond Wafer Market was valued at US$ 78.7 Million in 2025 and is projected to reach US$ 799 Million by 2034, growing at a remarkable Compound Annual Growth Rate (CAGR) of 43.7% during the forecast period (2024–2034). This explosive growth is fueled by surging demand for high-power, high-frequency electronic devices, the rapid advancement of quantum computing, and the unique material properties of diamond that outperform traditional semiconductors like silicon and silicon carbide.

As the electronics industry pushes the boundaries of performance, thermal management, and miniaturization, the spotlight turns to the specialized material science companies producing the ultra-pure diamond substrates that make it all possible. In this blog, we profile the Top 10 Companies in the Single-Crystal Diamond Wafer Industry—a mix of established giants and innovative pioneers shaping the future of advanced electronics.

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🔟 1. Element Six

Headquarters: Didcot, Oxfordshire, United Kingdom (A De Beers Group Company)
Key Offering: Single-Crystal CVD Diamond Wafers, Diamond Substrates for Electronics

Element Six is a global leader in synthetic diamond supermaterials and a dominant force in the single-crystal diamond wafer market. Leveraging decades of expertise from its parent company, De Beers, Element Six produces high-purity, large-area diamond wafers using advanced Chemical Vapor Deposition (CVD) technology. Their materials are critical for thermal management in high-performance electronics.

Key Innovations & Applications:

• Pioneering large-diameter wafer growth technology

• Supplying wafers for RF devices and power semiconductors

• Strong focus on R&D for quantum sensing applications

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9️⃣ 2. Orbray Co., Ltd.

Headquarters: Tokyo, Japan
Key Offering: Jewel Bearings, Sapphire Wafers, Single-Crystal Diamond Wafers

Orbray, formerly known as NAKANISHI INC., is a Japanese precision component manufacturer with a growing focus on advanced materials. The company applies its mastery of crystal growth to produce high-quality single-crystal diamond wafers, positioning itself as a key supplier in the Asian market for specialized electronic applications.

Key Innovations & Applications:

• Expertise in heteroepitaxial growth on Iridium/sapphire substrates

• Targeting applications in next-generation power devices

• Strong partnerships with Japanese electronics and automotive industries

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8️⃣ 3. Diamond Foundry Inc.

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

Diamond Foundry is a vertically integrated technology company renowned for its sustainable, lab-grown diamond production. The company is expanding its capabilities to produce single-crystal diamond wafers for the semiconductor industry, leveraging its proprietary CVD reactors to create high-quality, scalable substrates.

Key Innovations & Applications:

• Focus on environmentally responsible diamond synthesis

• Developing wafers for high-power electronics and thermal management

• Ambitions to disrupt the semiconductor substrate market

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7️⃣ 4. Anjali Semiconductors

Headquarters: Maharashtra, India
Key Offering: Semiconductor Materials, Single-Crystal Diamond Wafers

Anjali Semiconductors is an emerging player focusing on the development and supply of advanced semiconductor materials, including single-crystal diamond wafers. The company is part of India’s growing push towards self-reliance in critical electronics components and materials.

Key Innovations & Applications:

• Contributing to India’s domestic semiconductor ecosystem

• R&D focused on cost-effective diamond wafer production

• Serving research institutions and industrial clients

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6️⃣ 5. EDP Corporation

Headquarters: Tokyo, Japan
Key Offering: Diamond-based Products, Single-Crystal Diamond Wafers, Industrial Diamonds

EDP Corporation is a Japanese company specializing in diamond synthesis and applications. With a strong foundation in industrial diamonds, EDP has developed capabilities in producing single-crystal diamond wafers for electronic and optical uses, catering to the demanding Japanese tech sector.

Key Innovations & Applications:

• Specialization in high-purity diamond synthesis for electronics

• Applications in heat spreaders and high-frequency devices

• Collaboration with academic and industrial research partners

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5️⃣ 6. Ningbo Crysdiam Technology Co., Ltd.

Headquarters: Ningbo, Zhejiang, China
Key Offering: CVD Diamond Wafers, Diamond Heat Spreaders, Diamond Windows

Ningbo Crysdiam Technology is a significant Chinese manufacturer focused on CVD diamond materials. The company produces single-crystal diamond wafers and other diamond products, serving the burgeoning Chinese market for advanced electronics and serving as a key supplier within the region’s supply chain.

Key Innovations & Applications:

• Scaling up production capacity for larger wafer diameters

• Strong focus on thermal management applications

• Supporting China’s strategic goals in semiconductor independence

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4️⃣ 7. Henan Province Liliang Diamond Co., Ltd.

Headquarters: Zhengzhou, Henan, China
Key Offering: Synthetic Diamond, Single-Crystal Diamond Wafers, Diamond Powder

Henan Liliang Diamond is a Chinese producer of synthetic diamond materials. Leveraging China’s strong synthetic diamond industry, the company is expanding into the production of electronic-grade single-crystal diamond wafers to meet domestic and international demand.

Key Innovations & Applications:

• Integration within China’s extensive diamond production ecosystem

• Focus on achieving high crystal quality and purity

• Targeting cost-competitive wafer production

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3️⃣ 8. Advanced Crystal Technology

Headquarters: Information Not Publicly Disclosed
Key Offering: Advanced Crystalline Materials, Single-Crystal Diamond Wafers

Advanced Crystal Technology is a specialist manufacturer focused on the development of high-performance crystalline materials for demanding applications. The company’s work on single-crystal diamond wafers is aimed at pushing the performance limits of electronic and photonic devices.

Key Innovations & Applications:

• R&D-driven approach to material perfection

• Applications in extreme environment electronics

• Collaborations with defense and aerospace sectors

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2️⃣ 9. Xiamen Powerway Advanced Material Co., Ltd. (PAM-XIAMEN)

Headquarters: Xiamen, Fujian, China
Key Offering: Semiconductor Substrates, Single-Crystal Diamond Wafers, Compound Semiconductor Wafers

PAM-XIAMEN is a well-established global supplier of semiconductor substrates. The company has expanded its portfolio to include single-crystal diamond wafers, leveraging its expertise in crystal growth and wafer processing to serve the high-end semiconductor market.

Key Innovations & Applications:

• Providing a wide range of substrate materials alongside diamond

• Strong global distribution network for research and industry

• Focus on wafer quality and customization for specific client needs

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1️⃣ 10. ZS-Tech

Headquarters: Information Not Publicly Disclosed
Key Offering: Specialized Materials, Single-Crystal Diamond Wafers

ZS-Tech is a technology company involved in the research, development, and production of specialized advanced materials, including single-crystal diamond wafers. The company focuses on niche applications where diamond’s superior properties provide a critical advantage.

Key Innovations & Applications:

• Targeting specialized, high-value applications

• Focus on material properties optimization for specific uses

• Engagement in research partnerships and custom material development

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Single-Crystal Diamond Wafer Market – View in Detailed Research Report

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💎 Outlook: The Future of Electronics is Built on Diamond Foundations

The single-crystal diamond wafer market is at the forefront of a materials revolution. While silicon remains the workhorse of the semiconductor industry, diamond is emerging as the ultimate solution for applications where extreme performance is non-negotiable. The industry’s growth is being driven by fundamental shifts in technology demands that only diamond can meet.

📈 Key Trends Shaping the Market:

• Breakneck expansion of the electric vehicle and renewable energy sectors, driving demand for efficient power semiconductors

• Accelerating R&D in quantum computing and sensing, where diamond’s unique spin properties are essential

• Advancements in 5G/6G telecommunications requiring high-frequency RF devices with superior thermal management

• Geopolitical pushes for supply chain resilience, fostering regional production capabilities

The companies listed above are not just manufacturing a material; they are enabling the next technological leap across multiple industries, from greener energy to unhackable communications and beyond.

Get Full Report Here:
Single-Crystal Diamond Wafer Market – View in Detailed Research Report