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Diamond Sharpening Stones Comparison - August 2025
| 1 Best Choice  9.9Exceptional | 2  9.8Exceptional | 3  9.7Exceptional | 4 Best Value  9.6Exceptional | 5  9.5Excellent |
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ModelUltra Sharp Diamond Sharpening Stone Set - 8 x 3 Coarse/Medium/Extra Fine | Model SHARPAL 162N Double-sided Diamond Sharpening Stone Whetstone Knife Sharpener |Coarse 325 / Extra Fine 1200 Grit | Storage Case with NonSlip Base & Angle Guide (8 in. x 3 in.) | Model S SATC Diamond Sharpening Stone 2 Side Grit 400/1000 Diamond Plate Honing Stone 8-inch Hone Sharpener White | Model Goodjob Diamond Sharpening Stone 3 Side Grit 400/1000/8000 Premium Industrial Diamond & Ceramic Whetstone Knife Sharpener Suitable for Steel of any Hardness with Angle Guide and Non-Slip Base (GB-3D) | Model Diamond Sharpening Stone, 5 Pcs Knife Sharpening Stone with Extra Fine/Coarse Plate and Non-slip Base, 400/600/800/1000/1200 Grit |
BrandUltrasharp | Brand SHARPAL | Brand S SATC | Brand goodjob | Brand KITANIS |
Reviews | Reviews | Reviews | Reviews | Reviews  |
Features | ||||
Worth the money 9.8 | Worth the money 9.3 | Worth the money 9.3 | Worth the money 8.9 | Worth the money 8.6 |
Simple to use 9.9 | Simple to use 9.8 | Simple to use 9.3 | Simple to use 9.3 | Simple to use 9.1 |
For starters 9.6 | For starters 9.3 | For starters 9.1 | For starters 8.6 | For starters 8.6 |
Tech Specs | ||||
product dimensions8 x 3 x 0.3 inches | product dimensions 8.46 x 3.94 x 1.93 inches | product dimensions 9.05 x 2.75 x 0.3 inches | product dimensions 10.35 x 4.15 x 2.76 inches | product dimensions 5.91 x 2.48 x 0.04 inches |
item weight2.5 pounds | item weight 3.08 pounds | item weight 1.87 pounds | item weight 1.1 pounds | item weight 12 ounces |
customer reviews4.8 4.8 out of 5 stars 997 ratings 4.8 out of 5 stars | customer reviews 4.6 4.6 out of 5 stars 3, 661 ratings 4.6 out of 5 stars | customer reviews 4.5 4.5 out of 5 stars 1, 341 ratings 4.5 out of 5 stars | customer reviews 4.5 4.5 out of 5 stars 166 ratings 4.5 out of 5 stars | customer reviews 4.3 4.3 out of 5 stars 843 ratings 4.3 out of 5 stars |
Review | Review - | Review | Review - | Review - |
Available On  | Available On  | Available On | Available On | Available On |
Our Top 3 Picks
Here are the top 3 recommended products with more information to help you find the right product for you
9.8
2SHARPALSHARPAL 162N Double-sided Diamond Sharpening Stone Whetstone Knife Sharpener |Coarse 325 / Extra Fine 1200 Grit | Storage Case with NonSlip Base & Angle Guide (8 in. x 3 in.)
9.8 Simple to use9.3 worth the money9.3 for startersMain highlights- Superior Bonus Pack: Includes storage box with non-slip rubber pad that can be used as a stone base while sharpening; With Sharpening Angle Guide integrated with 4 universal angles-14°, 17°, 20°, 25° and instruction manual inside of packaging
- Super FLAT Surface: SHARPAL exclusive MirrorFlat technology guarantees long-lasting even contact with knives or tools, while oil stone and water stone easily wear down with uneven surface
- FAST, Durable and Heavy-Duty: Industrial monocrystalline diamonds are electroplated onto a stainless steel base of 0.35 inch thickness. Up to 5 times faster sharpening than oil stone, water stone
- DUAL GRIT: Coarse 325 grit (45 micron) for quick edge setting; Extra fine 1200 grit (12 micron) for honing. Sharpen and Hone HARD Material including High Speed Steel, Carbide, Ceramic & Cubic Boron Nitride. Sharpen dry. No messy oil or water needed.
- 3 YEARS of Commitment and Superior After-Sale Service: SHARPAL, headquartered in California, USA, with branches in Germany and Australia, provides easy and effective sharpening solutions. All products undergo rigorous testing to ensure top-tier performance and durability.
Diamond Sharpening Stones Buyer's Guide
Written by Ryanne BrownIntroduction to Diamond Sharpening Stones
Diamond sharpening stones are an essential tool for anyone who regularly sharpens knives, scissors, or other cutting tools. They provide an effective, efficient way to sharpen blades quickly. Diamond sharpening stones are made of a diamond abrasive bonded to a metal or plastic base. The diamond abrasive is made of fine particles that are harder than the material being sharpened, which allows them to cut away material without damaging the blade. Diamond sharpening stones are available in a variety of shapes, sizes, and grits, so it’s important to choose the right type for the job at hand.
Different Types of Diamond Sharpening Stones
Diamond sharpening stones come in two main types: flat stones and bench stones. Flat stones are usually rectangular in shape and are available in various sizes and grits. They can be used to sharpen blades of any size. Bench stones are usually round, and are designed for sharpening knives and other small cutting tools. They are available in different grits, and can be used with water or oil.
Grits of Diamond Sharpening Stones
The grit of a diamond sharpening stone is an important factor to consider when selecting a stone. The grit measures the size of the diamond particles, and the smaller the grit, the finer the particles. The most common grits range from extra-coarse (100-150) to extra-fine (1000-3000). Generally, the coarser stones are used for repairing damaged edges, while the finer stones are used for polishing and honing.
Different Shapes and Sizes of Diamond Sharpening Stones
Diamond sharpening stones come in a variety of shapes and sizes. The most common shape is rectangular, but there are also round and triangular stones available. The size of the stone depends on the size of the blade being sharpened. For example, larger knives will require larger stones, while smaller blades can be sharpened with smaller stones.
Benefits of Using Diamond Sharpening Stones
Diamond sharpening stones provide a number of advantages over other types of sharpening stones. They are durable and wear-resistant, so they can be used for a long time. They also produce a smooth, polished finish and are easy to clean. Finally, diamond sharpening stones are fast-cutting and can sharpen a blade in a fraction of the time that it would take with other types of stones.
Conclusion
Diamond sharpening stones are an essential tool for anyone who regularly sharpens knives, scissors, or other cutting tools. They are durable, fast-cutting, and easy to clean, and they can produce a smooth, polished finish. With so many different types, shapes, and sizes of diamond sharpening stones available, it’s important to select the right one for the job. Consider the size and shape of the blade, the type of sharpening needed, and the grit of the stone before making a purchase.
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Value for money
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