The Global Super Hard Material Market was valued at USD 1.18 Billion in 2024 and is projected to reach USD 1.15 Billion by 2031, exhibiting a Compound Annual Growth Rate (CAGR) of -0.4% during the forecast period (2024–2031). This market contraction reflects pricing pressures in conventional applications, offset by premium adoption in semiconductors, EVs, and aerospace sectors.

Super hard materials—primarily synthetic diamonds and cubic boron nitride (CBN)—are revolutionizing industries requiring extreme durability. As precision manufacturing advances globally, these materials enable breakthroughs in cutting-edge applications. This analysis profiles the Top 10 Companies in the Super Hard Material Industry, examining their strategic positioning across abrasives, precision tools, and advanced material solutions.

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🔟 1. Element Six (De Beers Group)

Headquarters: Luxembourg
Key Offering: Synthetic diamonds, diamond abrasives, CBN tools

The De Beers subsidiary maintains technological leadership with patented HPHT and CVD diamond synthesis methods. Their materials power 35% of global industrial diamond applications, from oil drilling to semiconductor manufacturing.

Technical Leadership:

• Operates the world’s most advanced CVD diamond reactor facilities
• Supplies 60% of diamond anvils for high-pressure research
• Pioneering diamond heat spreaders for 5G semiconductor packages

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9️⃣ 2. Sandvik Hyperion

Headquarters: Stockholm, Sweden
Key Offering: PCBN cutting tools, diamond-coated components

Sandvik’s materials division delivers engineered solutions for machining superalloys and hardened steels, serving aerospace and energy sectors with cutting tools that can withstand 1,200°C operating temperatures.

Technical Leadership:

• Developed first commercial PCBN grades for Inconel machining
• Proprietary coatings increase tool life by 500% in titanium milling

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8️⃣ 3. ILJIN Diamond

Headquarters: Seoul, South Korea
Key Offering: Diamond wire saws, thermal management materials

The Korean innovator supplies 70% of ultra-fine diamond wires for photovoltaic silicon wafer slicing, with diamond grit uniformity achieving ±1 micron consistency.

Technical Leadership:

• Patent portfolio covering diamond wire electroplating chemistry
• Developing diamond heat sinks for electric vehicle power modules

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7️⃣ 4. Zhongnan Diamond

Headquarters: Zhengzhou, China
Key Offering: HPHT synthetic diamonds, drill bit composites

China’s synthetic diamond leader produces 5 billion carats annually, specializing in rough diamond crystals for abrasive applications across construction and mining sectors.

Technical Leadership:

• 40/50 mesh diamonds achieve Vickers hardness of 10,500 kgf/mm²
• Supplies 80% of China’s diamond drill bit market

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6️⃣ 5. Saint-Gobain

Headquarters: Courbevoie, France
Key Offering: Norton abrasives, Borazon CBN products

The materials giant applies 350 years of abrasives expertise to advanced CBN and diamond solutions, particularly in precision grinding applications for automotive transmission components.

Technical Leadership:

• Developed hybrid vitrified bonds combining CBN and diamond
• Supplies grinding wheels for 65% of global bearing manufacturers

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5️⃣ 6. Sumitomo Electric Industries

Headquarters: Osaka, Japan
Key Offering: SUMIDIA tools, nano-polycrystalline diamond

Sumitomo’s materials division pioneered nano-polycrystalline diamond (NPD) technology, creating the world’s hardest synthetic material at 150 GPa hardness for specialized drilling applications.

Technical Leadership:

• NPD drill bits maintain cutting edges at 1,400°C
• Supplies 90% of Japan’s PCBN tool market

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4️⃣ 7. Huanghe Whirlwind

Headquarters: Zhengzhou, China
Key Offering: Diamond saw blades, construction abrasives

The Chinese manufacturer specializes in cost-optimized diamond tools for stone processing and construction, exporting to 80 countries with localized formulations for regional stone types.

Technical Leadership:

• Diamond segment formulations for 30+ granite varieties
• Automated production of 20 million diamond saw blades annually

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3️⃣ 8. Sino-Crystal Diamond

Headquarters: Beijing, China
Key Offering: Gem-quality CVD diamonds, drill bits

This innovative firm bridges industrial and jewelry markets through proprietary CVD technology producing colorless diamonds up to 10 carats for dual-use applications.

Technical Leadership:

• Controls 40% of China’s CVD diamond patent portfolio
• Supplies thermal-grade diamonds for high-power electronics

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2️⃣ 9. CR GEMS

Headquarters: Mumbai, India
Key Offering: Diamond powders, micron abrasives

India’s largest abrasive diamond producer manufactures tailored grit distributions for stone processing and optical polishing applications across South Asia.

Technical Leadership:

• Precision size classification to ±0.5 micron tolerances
• Serves 50,000+ small-scale stone processors regionally

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1️⃣ 10. Boron Nitride Products, Inc.

Headquarters: Worthington, Ohio, USA
Key Offering: Hexagonal boron nitride, thermal management solutions

The US specialist produces high-purity hBN for semiconductor manufacturing, offering thermal conductivities exceeding 300 W/mK while maintaining electrical insulation.

Technical Leadership:

• Manufactures industry-standard pyrolytic BN crucibles
• Developed porous BN substrates for power electronics cooling

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⚙️ Outlook: Super Hard Materials at the Technology Frontier

While facing commodity segment challenges, advanced super hard materials are becoming essential enablers for next-generation technologies across multiple industries.

🔬 Key Technology Drivers:

• Transition to larger diamond wafers (>4″) for power electronics
• Ultra-precision requirements in optic manufacturing
• Thermal management demands from 5G and EVs
• Geopolitical shifts reshaping synthetic diamond supply chains

Get Full Report Here: Super Hard Material Market – View in Detailed Research Report

The profiled companies continue to push material boundaries, enabling manufacturing capabilities that were inconceivable just a decade ago.