The Global Diamond Slurries Market was valued at US$ 54 Million in 2022 and is projected to reach US$ 85 Million by 2029, growing at a Compound Annual Growth Rate (CAGR) of 6.9% during the forecast period (2022–2029). This growth is being driven by surging demand in the semiconductor and optics industries, advancements in precision manufacturing, and the expanding use of diamond slurries for high-finish polishing in advanced ceramics and metals across global markets.

As the precision engineering sector evolves toward superior surface finishes and efficient material processing, attention turns to the major players innovating in diamond slurry formulations and delivery systems. In this blog, we profile the Top 10 Companies in the Diamond Slurries Market—a blend of abrasives specialists, chemical innovators, and precision tool manufacturers who are redefining polishing standards worldwide.

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🔟 1. Engis Corporation

Headquarters: Wheeling, Illinois, USA
Key Offering: Water-based and oil-based diamond slurries for lapping and polishing

Engis Corporation stands as a pioneer in diamond slurries, providing high-quality formulations tailored for metallurgical, semiconductor, and optics applications. With decades of expertise, the company supplies slurries that ensure uniform particle distribution and optimal material removal rates, serving industries requiring mirror-like finishes on hard materials.

Innovation Initiatives:

• Development of nano-precision diamond slurries for semiconductor wafers

• Custom formulations for advanced ceramics polishing

• Partnerships with global manufacturers to enhance slurry stability and performance

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9️⃣ 2. Saint-Gobain

Headquarters: Courbevoie, France
Key Offering: Diamond slurries for precision grinding and polishing in multiple bases

Saint-Gobain, a global leader in materials science, offers diamond slurries optimized for demanding applications in optics, photonics, and metalworking. Their products are engineered for consistent viscosity and diamond particle concentration, supporting high-volume production in electronics and automotive sectors.

Innovation Initiatives:

• Advancements in eco-friendly water-based slurries

• Integration of diamond slurries in automated polishing systems

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8️⃣ 3. Lapmaster

Headquarters: Mount Prospect, Illinois, USA
Key Offering: Specialized diamond slurries for flat lapping and CMP processes

Lapmaster excels in delivering diamond slurries that achieve sub-micron surface finishes for components in semiconductors and advanced ceramics. The company’s focus on particle size control and suspension technology makes their slurries ideal for precision engineering tasks where defect-free surfaces are critical.

Innovation Initiatives:

• Research into hybrid slurries combining diamond with other abrasives

• Collaborations for slurry optimization in photonics manufacturing

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7️⃣ 4. Kemet International Limited

Headquarters: Maidstone, United Kingdom
Key Offering: Diamond slurries for metallographic preparation and optics polishing

Kemet International Limited provides a comprehensive range of diamond slurries used extensively in laboratories and industrial settings for polishing metals, ceramics, and gemstones. Their water-based formulations dominate due to their effectiveness and ease of use in achieving high-gloss finishes.

Innovation Initiatives:

• Expansion of alcohol-based options for sensitive applications

• Development of slurries for carbide die and seal polishing

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6️⃣ 5. Iljin Diamond

Headquarters: Ansan, South Korea
Key Offering: Industrial diamond slurries for metal and semiconductor polishing

Iljin Diamond is a key supplier in Asia, offering diamond slurries that support the region’s booming electronics industry. Their products feature high-purity diamonds suspended in various carriers, ensuring reliable performance in high-precision polishing operations for stainless steel and aluminum alloys.

Innovation Initiatives:

• Focus on oil-based slurries for enhanced lubrication in metal processing

• Scaling production to meet semiconductor demand in Asia Pacific

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5️⃣ 6. Fujimi Corporation

Headquarters: Nishiharu, Japan
Key Offering: Advanced diamond slurries for CMP and optical applications

Fujimi Corporation leads in Japan with diamond slurries designed for chemical mechanical planarization in semiconductors and fine polishing in photonics. Their formulations provide superior planarity and reduced scratching, critical for next-generation device manufacturing.

Innovation Initiatives:

• Innovation in low-viscosity slurries for high-speed polishing

• Targeted R&D for ceramics in electronics and aerospace

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4️⃣ 7. MicroDiamant

Headquarters: Lengwil, Switzerland
Key Offering: Micron-sized diamond slurries for precision tooling

MicroDiamant specializes in high-grade diamond slurries for carbide tools, dies, and seals, operating primarily in Europe. Their products are renowned for achieving mirror finishes on hard materials, supporting industries like manufacturing and optics with consistent quality.

Innovation Initiatives:

• Exploration of synthetic diamond enhancements for durability

• Partnerships for customized slurries in European photonics sector

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3️⃣ 8. Beijing Grish Hitech

Headquarters: Beijing, China
Key Offering: Cost-effective diamond slurries for metal and ceramics polishing

Beijing Grish Hitech is a rising force in China, supplying diamond slurries that cater to the vast Asian market, particularly in metal applications like stainless steel and copper alloys. Their production capabilities help meet the high consumption rates in the region’s industrial hubs.

Innovation Initiatives:

• Indigenous development of water-based formulations for scalability

• Collaborations to integrate slurries in semiconductor fabs

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2️⃣ 9. Asahi Diamond Industrial

Headquarters: Kyoto, Japan
Key Offering: Diamond slurries for gemstone and industrial polishing

Asahi Diamond Industrial delivers specialized slurries for the spectacle glass and diamond polishing sectors, with a strong presence in Japan and exports worldwide. Their expertise in particle grading ensures precise control for applications demanding optical clarity.

Innovation Initiatives:

• Advancements in oil-based slurries for gem polishing

• Expansion into advanced ceramics for electronics

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1️⃣ 10. NanoDiamond Products

Headquarters: New York, New York, USA
Key Offering: Nano and micro diamond slurries for high-tech applications

NanoDiamond Products focuses on innovative slurries incorporating nanotechnology for semiconductors and optics, serving North American markets with cutting-edge solutions. They emphasize uniform dispersion and minimal aggregation to support ultra-precise finishing processes.

Innovation Initiatives:

• Comprehensive nano-diamond slurries for photonics

• Strategic alliances with US-based semiconductor firms

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

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🌍 Outlook: The Future of Diamond Slurries Is More Precise and Sustainable

The diamond slurries market is experiencing steady evolution. While water-based formulations continue to hold the majority share at around 72%, the sector is channeling investments into alternative bases and nano-enhanced products to meet rising demands in emerging technologies.

📈 Key Trends Shaping the Market:

• Dominance of water-based slurries, with gradual adoption of oil and other types for specialized uses

• Expansion in Asia Pacific production, including China, Japan, and South Korea as key areas

• Growth in semiconductor and optics applications due to precision manufacturing needs

• Concentration among top players, with the leading five holding over 55% market share

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

Because Asia Pacific dominates consumption with over 76% of the global share, particularly in China and Japan, production hubs in these regions are expanding rapidly. Furthermore, the push toward sustainable polishing processes is encouraging the development of biodegradable carriers and recycled diamond sources. However, challenges like raw material volatility and geopolitical factors, including the impacts of COVID-19 and the Russia-Ukraine conflict, have been factored into forecasts, ensuring realistic growth projections.

In terms of applications, metal polishing leads with nearly 29% of the market, driven by needs in stainless steel, aluminum, and copper alloys for automotive and aerospace. The semiconductor segment is growing fastest, fueled by miniaturization trends, while advanced ceramics and optics & photonics benefit from demands in electronics and medical devices. North America follows Asia with about 13% of sales, supported by strong R&D in the US and Canada.

The report highlights regional breakdowns, with Asia commanding the largest segment, followed by Europe and North America. For instance, China’s role in consumption and production underscores its pivotal position, while Europe’s focus on high-tech applications like photonics drives innovation. In South America and the Middle East & Africa, emerging markets show potential in metal processing.

Segment-wise, the market by type sees water-based leading, but oil-based is gaining for applications requiring better heat dissipation. By application, besides metals, advanced ceramics account for significant volume in wear-resistant components, semiconductors for chip fabrication, and optics for lens and display polishing. Other uses include carbide tools and gemstones.

Looking ahead, the industry’s competitive landscape features mergers, acquisitions, and R&D investments among key players like Engis and Saint-Gobain. Challenges such as supply chain disruptions are offset by opportunities in digital polishing controls and eco-friendly formulations. Overall, the market’s trajectory points to enhanced efficiency and broader adoption in high-value sectors.

The companies listed above are not only polishing the future of precision manufacturing—they’re pioneering the next era of surface finishing excellence.

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