We have compiled a list of manufacturers, distributors, product information, reference prices, and rankings for diamond.
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diamond Product List and Ranking from 21 Manufacturers, Suppliers and Companies

Last Updated： Aggregation Period:Dec 24, 2025～Jan 20, 2026
This ranking is based on the number of page views on our site.

diamond Manufacturer, Suppliers and Company Rankings

Last Updated： Aggregation Period:Dec 24, 2025～Jan 20, 2026
This ranking is based on the number of page views on our site.

  1. 河南省豫星炭材 China//Materials
  2. SUPERHARD JAPAN Tokyo//Other manufacturing
  3. ビーティーティー Aichi//Industrial Machinery
  4. 4 鄭州多磨超硬材料有限公司(ZZDM SUPERABRASIVES CO.,LTD) China//Manufacturing and processing contract
  5. 5 ナカヤマ精密 大阪本社 Osaka//Other manufacturing
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diamond Product ranking

Last Updated： Aggregation Period:Dec 24, 2025～Jan 20, 2026
This ranking is based on the number of page views on our site.

  1. Diamond & CBN Grinding Wheel Shaping "W Super Turing Tool" ビーティーティー
  2. MPCVD single crystal lab-grown diamond SUPERHARD JAPAN
  3. Ni Coating (Nickel Coating) 鄭州多磨超硬材料有限公司(ZZDM SUPERABRASIVES CO.,LTD)
  4. 4 Sintered diamond "PCD" ナカヤマ精密 大阪本社
  5. 5 CVD diamond トラストウェル 本社

diamond Product List

31～45 item / All 66 items

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Diamond & CBN Grinding Wheel Shaping "W Super Turing Tool"

Diamond & CBN Grinding Wheel Shaping "W Super Turing Tool"

No need for sharpening! A tool that achieves easy trimming by simply setting it in the holder.

The "W Super Truing Tool" is a shaping tool for diamond and CBN grinding wheels that enables truing simply by setting it on a single-stone dressing table of a tool grinding machine, achieved by forming a special rare metal into a stick shape. It is optimal for truing resin-bonded diamond and CBN grinding wheels, allowing for a flatness of 0.01mm without using coolant and without removing the grinding wheel from the machine. 【Features】 ○ Removes altered diamond layers through chemical reactions with rare metals ○ Simultaneous shaping (truing) and sharpening (dressing) possible ○ Processing time reduced to 1/10 * ○ Dust generation reduced to 1/100 * ○ Cost reduced to 1/3 * * Compared to our own standards For more details, please contact us or download the catalog.

  • Other abrasives

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Polycrystalline diamond

Polycrystalline diamond

Polycrystalline diamond micron powder

White, bolock, polycrystalline structure. It has precisely controlled shape and narrow particle size distribution, with toughness higher than PDM.

  • Grindstone

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Mesh Diamond

Mesh Diamond

Mesh diamond

Features: Regular crystals, rough surface, deep yellow color. Applications: Recommended for processing resin, ceramic bond tools, carbide, non-metals, etc.

  • Other abrasives

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Mesh diamond

Mesh diamond

High-quality mesh diamond

It is a deep yellow mesh diamond made from high-intensity, high-quality diamonds as raw materials, featuring regular crystals and a rough surface.

  • Other abrasives

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Mesh diamond

Mesh diamond

Diamond mesh size

It is a yellow mesh diamond made from high-intensity, high-quality diamonds as raw materials, featuring irregular crystals and a rough surface.

  • others

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Mesh diamond

Mesh diamond

Mesh diamond

Features: Regular crystals, rough surface, deep yellow color. Applications: Recommended for processing resin, ceramic bond tools, carbide, non-metals, etc.

  • Other abrasives

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Mesh diamond

Mesh diamond

Diamond mesh size

It is a yellow mesh diamond made from high-intensity, high-quality diamonds as raw materials, with irregular crystals and a rough surface.

  • others

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Tomeidaia Co., Ltd. Business Introduction

Tomeidaia Co., Ltd. Business Introduction

Pioneer in the manufacturing of diamond and CBN!

Tomeida Diamond Co., Ltd. is a company primarily engaged in the manufacturing, processing, and sales of industrial and gemstone diamonds. Our products are used in a wide variety of diamond tools, and we offer a diverse range of rigid diamonds for users, characterized by the shape, size, color of synthetic diamond particles, and coatings on the particle surfaces. If you are looking for industrial diamonds, please feel free to consult with us, a company with 40 years of experience in product manufacturing. 【Business Activities】 ■ Manufacturing, processing, and sales of industrial and gemstone diamonds ■ Manufacturing, processing, and sales of various super abrasives *For more details, please refer to our catalog or feel free to contact us.

  • Other Machine Parts
  • Other tools and equipment
  • Other contract manufacturing

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Diamond & CBN Wheel (Grinding Wheel)

Diamond & CBN Wheel (Grinding Wheel)

It is used for grinding processing of electronic components, semiconductors, automotive parts, bearings, molds, and more.

The "Diamond & CBN Wheels (Grinding Stones)" have a longer lifespan compared to GC and WA grinding stones, reducing the hassle of changing stones, providing a better finish, and being environmentally friendly products. We offer a lineup that includes straight (flat/cylindrical/tool grinding machines), three-sided straight (flat/cylindrical/tool grinding machines), and plain cups (tool grinding machines/rotary). Applications include carbide inserts, ceramics, cermet tools, carbide drills, carbide reamers, carbide saw blades, and carbide side cutters. 【Product List (Excerpt)】 ■ Flaring cup (tool grinding machine) ■ Taper cup (tool grinding machine) ■ Double-sided cup (grinder/flat) ■ V face (profile) ■ Shaftless straight for internal grinding (inner surface) *For more details, please refer to the PDF document or feel free to contact us.

  • Diamond cutter

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Single crystal synthetic diamond

Single crystal synthetic diamond

Synthesize under high temperature and high pressure conditions through strict control of temperature and pressure.

Large single crystal diamonds are synthesized in a high-temperature and high-pressure environment through strict control of temperature and pressure. They are suitable for processing non-ferrous metal and non-metal materials such as cutting tools, wheel dressing, special knives, polishing tools, and wire dies. The products come in different sizes and thicknesses, with sizes ranging from 2.0 mm to 8.0 mm in length and thicknesses from 0.8 mm to 1.2 mm. Large single crystal grades include CMD20, CMD40, CMD60, CMD80, CMD90, and CMD100. Large single crystal sizes are 4.2, 4.0, 3.8, 3.6, 3.4, 3.2, 3.0, 2.8, 2.6, 2.4, 2.2, 2.0, 10/12, 12/14, 14/16, 16/18, and 18/20.

  • Diamond cutter
  • Grindstone
  • Other abrasives

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Si Coating (Coating Diamond)

Si Coating (Coating Diamond)

Si Coating (Coating Diamond)

The silicon layer enhances the thermal stability and wear resistance of diamond abrasives, preventing the corrosion of the metal iron. Additionally, the chemical layer improves the bonding and abrasive retention, as well as thermal stability, thereby extending the tool's lifespan and improving processing quality.

  • Grindstone
  • Diamond cutter
  • Other abrasives

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Diamond & CBN Tools *Comprehensive Catalog Giveaway*

Diamond & CBN Tools *Comprehensive Catalog Giveaway*

Delivering any specifications and shapes in a short delivery time! Easy order with the new system.

The "Diamond & CBN Tool Comprehensive Catalog" features single crystal small diameter drills, center drills for single crystal small diameter drills "SDR/SDC," metal bond mounted grinding wheels "RMT," drill spiral types for hole processing "RDA," and long drill spiral types for deep hole processing "RDL," among others. The electroplated tool multi-layer electroplated tool for hole processing "RDT" is a tool with a multi-layer, long-lasting core drill shape. 【Featured Products】 ○ Electroplated tools ○ Tools for machining carbide and die steel ○ Single crystal tools ○ PCD and PCBN tools ○ Special shapes and re-electroplated tools, etc. For more details, please contact us or download the catalog.

  • Other cutting tools

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Synthetic diamonds and CBN with assured quality through in-house inspection.

Synthetic diamonds and CBN with assured quality through in-house inspection.

Quality control utilizing our experience as a specialized trading company, offered at a reasonable cost!

Our company has been proposing diamonds and CBN that meet the needs of the times and our customers in the former Soviet Union, South America, the United States, Europe, and China for over 40 years. We have introduced an electron microscope, a stereo microscope, a laser diffraction particle size analyzer, and an image analysis particle measurement device in our headquarters to ensure that our customers can use our products with confidence. Our motto is "suitable quality" and "reasonable prices," and we are enhancing our acceptance inspection process. Going forward, we aim to be the number one supplier of super abrasives, not just a trading company, with our motto of "suitable quality," "reasonable prices," and "stable supply" to ensure customer satisfaction. 【Products We Handle】 ■ Industrial Super Abrasives - Diamonds (Monocrystalline synthetic diamonds, single crystal synthetic diamonds, polycrystalline synthetic diamonds, cluster diamonds, natural diamonds) - CBN (Cubic Boron Nitride) *For more details, please refer to the PDF document or feel free to contact us.

  • Organic Natural Materials
  • Other cutting tools
  • Grindstone

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[Certificate of Origin Example] Diamond - Measures to Prevent Origin Fraud

[Certificate of Origin Example] Diamond - Measures to Prevent Origin Fraud

Verification of sustainability certification as a measure to prevent origin fraud! A case study on building reliability and transparency in the supply chain.

As a measure to prevent origin fraud, we would like to introduce an example of measures taken by SCS Global for diamond origin certification. In the verification of the sustainability certification for lab-grown diamonds (SCS-007), we verify not only the producers of lab-grown diamonds but also the reaction furnaces where the diamonds were manufactured. It is possible to analyze both natural diamonds and lab-grown diamonds using our technology. We can trace the diamonds from the producers who grew them in the lab to the reaction furnaces where they were manufactured. [Summary of Measures (Partial)] ■ Issue: Verification of sustainability certification for lab-grown diamonds (SCS-007) ■ Results - Verification up to the reaction furnaces where the diamonds were manufactured - Building reliability and transparency in the supply chain *For more details, please refer to the PDF document or feel free to contact us.

  • Contract Analysis

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