10 Best Diamond Sharpening Plate Set of 2025

Tested and Reviewed: Top 10 Diamond Sharpening Plate Set deals with expert ratings from 8.1 to a perfect 10

July 2025 Edition

Editor's Choice

9.7

Save 17%

Ultrasharp

Ultra Sharp Diamond Sharpening Stone Set - 8 x 3 Coarse/Medium/Extra Fine

17% OffFree Shipping

Editor's bottom line:

“This diamond sharpening plate set is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

The Best Value We've Ever Seen!
8" x 3" - Extremely fast 300, 600 and 1200 grit diamond sharpening stone set
Quickly sharpens all knives and tools (including ceramic knives)
Stone Holder included (holds all stones from 6-9 inches long)
Each stone is 8" x 3" and weighs 2.2 pounds. Total package weight is 8.5 pounds
No Questions Asked 100% Guarantee

Show Price

Picked by 202 people today

9.5

Save 9%

lunmgleng

lunmgleng Diamond Sharpening Stone Set,8 Pcs Diamond Lapping Plate Coarse/Medium/Fine Grit Sharpener,240/400/600/800/1000/1500/2000/3000 Grit，Perfect Assistance Sharpener Angle Guide

9% OffFree Shipping

Main Highlights

Package contentsThe package includes 8 different sizes of diamond pieces and angle guide, including 240 #, 400 #, 600 #, 800 #, 1000 #, 1500 #, 2000 #, and 3000 #
Use for most cutting tools and cutter knife edges:Widely used for grinding of household knives, professional chef knives, outdoor knives, engraving knives and other knives.More efficiency and durability are less risky than waterstones damage margins. not need water during the sharpening process
Product Size: Length 150mm/5.9 inch, Width 63mm/2.48 inch
Service guarantee If you have any questions or concerns about the use of the product, please contact us and we will reply to you as soon as possible

Show Price

9.5

SUWAJUME

Diamond Sharpening Stone, Knife Sharpener Stone Whetstone Honeycomb Surface Plate with Non-slip Base for Pocket Knives Scissors (320/400/600/1000/1500/2000/3000 Grit，with Angle Guide and Leather)

Free Shipping

Main Highlights

Package ContentsThe package includes 7 different sizes of diamond pieces + angle guide + leather strop. Diamond sharpening stone including (320/400/600/1000/1500/2000/3000 Grit, with Angle Guide and Leather)
Product Size: Length 150mm/5.9 inch, Width 63mm/2.48 inch
Unique Honeycomb Design and Non-slip base:The sharpening stone set with unique honeycomb design ensures that the dust generated during the grinding process will not affect the sharpening. The diamond sharpening stone has a non-slip base to ensure that it will not slip during use and e asily tackle both coarse and fine sharpening jobs.
Use for most cutting tools and cutter knife edges:Widely used for grinding of household knives, professional chef knives, outdoor knives, engraving knives and other knives.More efficiency and durability are less risky than waterstones damage margins. not need water during the sharpening process
Service Guarantee If you have any questions or concerns about the use of the product, please contact us and we will reply to you as soon as possible

Show Price

9.2

CWOVRS

CWOVRS Diamond Sharpening Stone, 5 PCS Diamond Sharpening Plate with Honeycomb Surface Plate for Scissors Knives Outdoor Tools From Coarse to Extra Fine 200/400/600/1000/2000 Grit

Free Shipping

Main Highlights

ULTIMATE GRIT COMBINATION(200#/400#/600#/1000#/2000#): Coarse, Fine, Extra Fine Grit: The coarse grinding repairs serious blade wear, while the fine grinding hones and sharpens. No water or expensive oil needed; for better results, use honing oil for better lubrication;
EFFICIENT CHOICE: Diamond Knife Sharpening Stones ensure precision and effective sharpening. Made of diamond with a honeycomb surface, they are safe, reliable, and resistant to wear and corrosion. High diamond hardness results in low loss;
ANTI-SLIP PAD: The other face of diamond stone with anti-slip pad makes the sharpening process stable and effective. It prevents slipping during use, allowing for efficient coarse and fine sharpening;
HIGH GRAD DIAMOND: Our diamond sharpening stone is designed for durability and efficiency. It is more resilient than waterstones, reducing the risk of damage. Suitable for kitchen knives, blades, ceramic knives, and more;
COMPACT SIZE & WIDE USE: The compact size (5.91"L x 2.43"W x 0.04"H) makes it easy to carry. Ideal for sharpening household kitchen knives, scissors, wood chisels, jade, seals, tool steels, ceramic knives, and chamfering glass tiles;
GREAT OPTION FOR GIFT: Perfect gift for fathers, mothers, boyfriends, and co-workers for various occasions like birthdays, anniversaries, Thanksgiving, Christmas, etc. Please feel free to contact us if you have any problems;

Show Price

Best Value

9.0

Save 37%

Jewboer

Jewboer 5 Pieces Diamond Sharpening Stone Set,Diamond Lapping Plate Coarse/Medium/Fine Grit Sharpener,400/600/800/1000/1200 Grit

37% OffFree Shipping

Main Highlights

5 pieces sharpening plates,made of durable diamond material.
Thin grinding polishing diamond square knife tool sharpening stone whetstone 400/600/800/1000/1200 grit.
Diamond coated material is more efficient than normal whetstone.
Use for:grinding stone,jade,seal carving knife,wood crafts, metal grinder workpiece etc.
Add a little water when grinding,help to prolong Diamond Sharpening Stone life.Wipe the surface of the water stains after using to avoid rust.

Show Price

8.8

Jewboer

Jewboer 4 Pieces Diamond Sharpening Stone Set,Diamond Lapping Plate Coarse/Medium/Fine Grit Sharpener,400/600/1000/1200 Grit

Free Shipping

Main Highlights

4 pieces sharpening plates,made of durable diamond material.
Thin grinding polishing diamond square knife tool sharpening stone whetstone 400/600/1000/1200 grit.
Diamond coated material is more efficient than normal whetstone.
Use for:grinding stone,jade,seal carving knife,wood crafts, metal grinder workpiece etc.
Add a little water when grinding,help to prolong Diamond Sharpening Stone life.Wipe the surface of the water stains after using to avoid rust.

Show Price

8.6

Save 10%

KITANIS

Diamond Sharpening Stone, 5 Pcs Knife Sharpening Stone with Extra Fine/Coarse Plate and Non-slip Base, 400/600/800/1000/1200 Grit

10% OffFree Shipping

Main Highlights

Unique Honeycomb Design:The sharpening stone set with unique honeycomb design ensures that the dust generated during the grinding process will not affect the sharpening. The diamond sharpening stone has a non-slip base to ensure that it will not slip during use and easily tackle both coarse and fine sharpening jobs.
Reliable Material:The knife sharpening stone is made of diamond material, with honeycomb surface is safe and reliable, not easy to break or fade, with fine resistance to abrasion and corrosion.Due to the high hardness of the material and the low loss during use, our sharpening stone kit can be used for a long time.
Easy to OperateYou just need to place the knife on the sharpening stone and move it back and forth several times while maintaining an angle of about 15°. You can always adding water or honing oil on it while sharpening, which make the lubricating effect of grinding will be great.Use with no pressure
Universal ApplicationThe diamond sharpening stone is very suitable for honing household kitchen knives, wood chisels, jade, seals, tool steels, seal cutting tools, ceramic knives, and chamfering of glass tiles.Whether it is household props or outdoor tools, you can use our whetstones to sharpen it and make it easier to use.
Package Include:You will receive 5 pieces of diamond sharpening stones in different grits, including 400 grit, 600 grit, 800 grit, 1000 grit and 1200 grit.The size of the sharpening stone is about 15 cm/ 5.91 inches in length, 6.3 cm/ 2.48 inches in width, and 0.1 cm/ 0.04 inches in height.Lightweight, small and practical.

Show Price

8.3

ceilyweli

Diamond Sharpening Stone for 5 PCS Diamond Plate Honing Stone for Kitchen Sharpening Dull Knives Grindstone, 320/600/1000/2000/3000 Grit

Free Shipping

Main Highlights

5 DIAMOND SHARPENING PLATE: 5 pieces grinding stones with anti slip base,made of durable diamond material. They respectively are #320 #600 #1000 #2000 #3000
UNIQUE DESIGN: unique honeycomb design ensures that the dust generated during the grinding process will not affect the sharpening. The diamond sharpening stone has a non-slip base to ensure that it will not slip
DIAMOND MATERIAL: The diamond sharpening knife stone is made from diamond, which turns out to be tougher, stronger and more durable than those made out of stone material.
Easy to Use: Choose the right angle,You just need to place the knife on the sharpening stone and move it back and forth several times.
After sales guarantee: If you have any questions about the use of the product, please contact us and we will try our best to solve the problem for you as soon as possible

Show Price

8.1

WiliAili

5 Pieces Diamond Sharpening Stone Set,Diamond Grinding Honeycomb Plate Coarse/Medium/Fine Grit Knife Sharpener Whetstone,200/500/800/1200/1500 Grit 150x62mm Kitchen Knife Outdoors Tools Sharpening

Free Shipping

Main Highlights

1) 5pcs Sharpening stones set,200# 500# 800# 1200# 1500#, Made of durable diamond material,Electroplating and spraying process is adopted.Uniform particles and flat surface.
2) Coarse Stone 200# - Diamond has a large particle size and a rougher surface. It is suitable for rapid cutting and grinding, removing impurities and repairing defects.
3) Medium Stone 500# - The use of a 500 Grit whetstone can effectively remove tiny scratches and burrs on the blade, making the tool sharper.It is suitable for tools that have been preliminarily ground, or tools that need to be finely trimmed.
4) Fine Stone 800# -The 800 Grit whetstone is a very fine sharpening tool, suitable for the ultimate polishing and trimming of the tool. The use of a 1000 grit whetstone can obtain an extremely smooth edge, so that the sharpness and finish of the tool can reach a higher level.It is usually used in the final polishing stage to remove fine scratches and blemishes, making the blade sharper and brighter.
4) Fine Stone 1200# -The 1200 Grit diamond whetstone is suitable for fine grinding and polishing of the tool, which can effectively remove tiny scratches and defects, and make the edge of the tool sharper and smoother.This kind of whetstone is usually suitable for grinding high-quality kitchen knives, barber knives, etc., to meet the high requirements for tool accuracy and finish.
5The use of 1500# diamond whetstone can achieve finer grinding and polishing effects, which is suitable for the final trimming and polishing of the tool.It can effectively remove subtle scratches and defects, make the edge of the tool sharper and smoother, and achieve a mirror-like effect. Compared with low-Grit whetstones, 1500# whetstones grind slower, but can provide higher grinding quality.
6) Size Information 150x62mm (5.98"x2.44") It is compact and lightweight, suitable for use outdoors, when traveling or when you need to sharpen your knife at any time.
7) Use for:grinding stone,jade,seal carving knife,wood crafts, metal grinder workpiece etc.

Show Price

8.1

Save 7%

SUWAJUME

3 PCS Diamond Sharpening Stone Diamond Knife Sharpener Plate Honing Whetstone for Knives Chisel (240#+600#+1200#)

7% OffFree Shipping

Main Highlights

Package Content:You will receive 3 different styles of diamond honing stones, including 240 grit, 600 grit and 1200 grit, plenty of choices to meet your needs.
Product Size: The diamond honing stone measures approximately 17 x 7.5 x 0.1 cm / 6.69 x 2.95 x 0.04 inches, which is the right size for you, and this small size makes it lightweight, portable and very convenient. Silicone anti slip pad on the back
Quality Material:Our diamond sharpening stone is made of diamond material, with good wear resistance and corrosion resistance, not easy to break or fade, can provide you with long-lasting service
Applicable Knives:Widely used for sharpening household knives, professional chef's knives, outdoor knives, carving knives and other knives.
Tips:Please remember to clean your knives after sharpening with the diamond sharpening plate; for best results, use water or sharpening oil, do not wash the sharpener in the dishwasher or soak it in water.

Show Price

Our Best Overall Choice

Best Choice

9.7

Ultrasharp

Ultra Sharp Diamond Sharpening Stone Set - 8 x 3 Coarse/Medium/Extra Fine

17% OffFree Shipping

Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

The Best Value We've Ever Seen!
8" x 3" - Extremely fast 300, 600 and 1200 grit diamond sharpening stone set
Quickly sharpens all knives and tools (including ceramic knives)
Stone Holder included (holds all stones from 6-9 inches long)
Each stone is 8" x 3" and weighs 2.2 pounds. Total package weight is 8.5 pounds
No Questions Asked 100% Guarantee

Show Price

Related Deals You Might Like for Diamond Sharpening Plate Set

Diamond Machine Technology (DMT), 8-in. Diamond Dia-Sharp Whetsone Bench Stone, Extra Coarse Grit Sharpener (D8X)

10% Off

Show PriceView

Diamond Sharpening Plates, 5 Pcs Whetstone With Extra Fine/Coarse Plate and Non-slip Base (SET-B)

8% Off

Show PriceView

3Pcs Diamond Sharpening Stone Set Diamond Plate Professional Bench Stone for Kitchen Sharpening Dull Blunt or Tired Edges, 5.9 x 2.48 Inches(600 Grit, 1000 Grit, 1200 Grit)

25% Off

Show PriceView

3 Pieces Diamond Sharpening Stone Diamond Knife Sharpener Plate Honing Whetstone for Kitchen Sharpening Dull, Blunt or Tired Edges (1000/2000/ 3000 Grit)

Show PriceView

HARFINGTON 3pcs Diamond Sharpening Stone Set 250/600/1200 Grit Knife Sharpening Stone Surface Plate for knives Scissors Kitchen Tools, Silver Tone

Show PriceView

3 Pieces Diamond Sharpening Stone Diamond Knife Sharpener Plate Honing Whetstone for Kitchen Sharpening Dull, Blunt or Tired Edges (250/600/ 1200 Grit)

Show PriceView

XARILK 6 PCS Diamond Knife Sharpening Stones Set, Diamond Plates Kit for XARILK type Sharpeners System, 180# 400# 800# 1500# 2000# 3000# Grit

Show PriceView

S SATC Diamond Sharpening Stone 2 Side Grit 400/1000 Diamond Plate Honing Stone 8-inch Hone Sharpener White

16% Off

Show PriceView

Heavy Duty Diamond Sharpening Stone Set with Adjustable Base, 2-Sided Fine/Coarse Grit Diamond Sharpening Plate, Fast & Efficient Diamond Knife Sharpener for Knives and Chisels from Schaaf Tools

Show PriceView

DMT W6EFC Deluxe Diamond Knife Sharpening Kit with Hard Wood Box, Set of 3 Diamond Sharpening Stones, 6-Inch

16% Off

Show PriceView

Deals are Live

Special Amazon deal ends in: