June 30, 2025

Advertising Disclosure

Knife Sharpener Diamond Squares of 2025

Save up to 23% off

Best Choice

1

dskiley

DSkiley Professional 3-stage Electric Knife Sharpener for Kitchen Knives, with 100% Diamond Abrasive 20° Precision Angle Guide, Quickly Sharpening, Repairing/Restoring/Polish Blades (Black)

15% Off
9.8

Exceptional

Our Rating
How do we rank?

Powerful technology We scan thousands of products and stores, analyzing reviews to find what matters most to users like you

Careful review Our team ensures quality, value, and fit based on real user feedback

Trusted insights AI and human analysis guide your decisions, reflecting real user priorities
Real users impact

Thousands of users trust our site daily

Based on millions of stores and reviews

Shoppers influence our rankings
Analyzing top stores
Value for Money

2

AIERLIAN
AIERLIAN Knife Sharpener Tool, Rolling Knife Sharpener Kit, Knife Sharpening with Diamonds and Ceramic for Steel of Any Hardness, Kitchen knife Sharpener with 15 & 20 Degree Magnetic Angle(Brown)
Main highlights

Accurate and Long-Lasting Sharpness
The AIERLIAN Roller Knife Sharpener maintains factory sharpness with diamond and ceramic discs, ensuring long-lasting precision.

Versatile Kitchen Tool
Ideal for chefs and home cooks, offering 15 and 20-degree angles for various knife types.

Magnetic Support Praised
Customers appreciate the secure magnetic support that holds knives in place during sharpening.
Key specs
- Functionality:Knife sharpener
- Dimensions:5.49 x 4.6 x 2.7 inches
- Material:High-grade natural wood
- Grit:400 diamond, 3000 ceramic
- Angle:15 and 20 degrees
9.5

Excellent

Our Rating

9.5
Easy to grip

9.3
Simple to use

8.4
Durability
3

BIRDBAK

The Original Premium Rolling Knife Sharpener Kit - Ultimate Knife Sharpening Solution - With Diamonds and Ceramic for Steel of Any Hardness, Knife Sharpener 15 and 20 degree For Kitchen Knives
9.4

Excellent

Our Rating
4

Arbenefe
Rolling Knife Sharpener Tool Kit, Multi-Angle Magnetic Roller Sharpeners for Kitchen Knives, Diamond&Ceramic Knife Sharpening System Set, Offers 12&15&20&25 Degree Sharpening
Main highlights

Dual Surface Sharpening System
Features a 400-grit diamond surface for sharpening and a ceramic surface for polishing.

Versatile Angle Options
Ideal for precision tasks and robust cutting, offering 12, 15, 20, and 25-degree angles.

Exceptional Customer Service
Praised for responsive after-sales support and replacement policies.
Key specs
- Functionality:Knife sharpening
- Dimensions:6.6 x 4.3 x 2.5 inches
- Material:Diamond, Ceramic
- Grit:400-grit
- Angle:12, 15, 20, 25
9.3

Excellent

Our Rating

9.7
lasts a long time

9.7
Simple to use

9.7
Easy to grip
5

DMT (Diamond Machining Technology)

Diamond Machining Technology (DMT) Diafold Serrated Diamond Knife Sharpener, Fine (FSKF), 4"

23% Off
9.0

Excellent

Our Rating

9.9
Light weight

8.2
Giftable

8.0
Simple to use
See Today’s Deals & Prices
6

EdgeForge

EdgeForge™ Rolling Knife Sharpener Kit - Magnetic Knife Sharpener with Dual Grit & Angles - Multipurpose Rolling Sharpener for Kitchen Knives, Pocket Knives, Chef's Knives - Gift Idea for Father's Day
8.9

Very Good

Our Rating
7

RAZORSHARP
RazorSharp™ Knife Sharpener With Adjustable Angle Guide — Diamond-Coated Ceramic Sharpening Stones for All Knives Including Precision Kitchen, Professional, Chef's Knives — Non-Slip Rubber Edge Grip
Main highlights

Professional Precision Sharpening Technology
The RAZORSHARP system ensures perfect sharpening angles for various knives, featuring diamond-coated ceramic stones and a sturdy, safe design. Includes a money-back guarantee.

Ideal for Kitchen and Professional Use
Perfect for sharpening kitchen knives, chef's knives, and professional knives with adjustable angles from 14 to 24 degrees. Also sharpens scissors and shears.

Praised Adjustable Angle Feature
Customers appreciate the adjustable angle knob, which allows precise sharpening for different blade types, making knives razor sharp. It also includes a scissors slot.
Key specs
- Functionality:3-IN-1 sharpening tool
- Dimensions:10.63L x 1.97W x 2.95H
- Material:Tungsten Carbide, Diamond Coated Ceramic, ABS Plastic
- Grit:Fine
- Angle:14 to 24-degree
8.8

Very Good

Our Rating

9.7
Simple to use

9.7
Durability

9.7
Easy to grip
8

goodjob
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
Main highlights

3-IN-1 Diamond Knife Sharpening Stone
Features 400, 1000, 8000 grit sides for sharpening, honing, and polishing. Includes non-slip base and angle guide for safe, precise use.

Ideal for Various Uses
Perfect for chefs, knife collectors, and home kitchens. Suitable for all steel hardness and tools needing sharpness restoration or fine polishing.

Customer Praise
Most reviews highlight its durability, ease of use, and the exceptional sharpness achieved on various knives, making it a highly recommended sharpener.
Key specs
- material:Diamond, Ceramic
- grit description:400 for repair, 8000 polish
- package quantity:3
- grit:400, 1000, 8000
- style:3-IN-1
8.7

Very Good

Our Rating

9.1
Simple to use

8.4
worth the money

8.0
for starters
9

SHARPAL
SHARPAL 156N Double-sided Diamond Sharpening Stone Whetstone Knife Sharpener | Coarse 325 / Extra Fine 1200 Grit | Storage Case with NonSlip Base & Angle Guide (6 in. x 2.5 in.)
Main highlights

Key Features
Fast sharpening with dual grit, dry use, superior flatness via MirrorFlat technology, includes storage box with non-slip base and angle guide.

Ideal Use Cases
Perfect for sharpening all hard materials including high-speed steel, carbide, ceramic, and cubic boron nitride in professional and home settings.

Customer Praise
Highly praised for its quick and effective sharpening capability, ease of use without water or oil, and durable, long-lasting design.
8.5

Good

Our Rating

9.7
Simple to use

9.3
Durability

9.1
worth the money
10

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

Key Features
Durable, dual-grit design, cutting-edge diamond technology for smooth sharpening, and high precision and quality control for all straight-edged tools.

Ideal Use Cases
Perfect for sharpening chisels, planer blades, and other straight-edged tools, offering both coarse and fine honing capabilities.

Customer Praise
Most reviews highlight its long lifespan, ease of maintenance compared to whetstones, and the quick, efficient sharpening process.
8.4

Good

Our Rating

9.1
worth the money

9.1
Simple to use

8.9
Long life

Knife Sharpener Diamond Squares of 2025

1

DSkiley Professional 3-stage Electric Knife Sharpener for Kitchen Knives, with 100% Diamond Abrasive 20° Precision Angle Guide, Quickly Sharpening, Repairing/Restoring/Polish Blades (Black)

How do we rank?

How do we rank?

Analyzing top stores

2

AIERLIAN Knife Sharpener Tool, Rolling Knife Sharpener Kit, Knife Sharpening with Diamonds and Ceramic for Steel of Any Hardness, Kitchen knife Sharpener with 15 & 20 Degree Magnetic Angle(Brown)

9.5

9.3

8.4

3

The Original Premium Rolling Knife Sharpener Kit - Ultimate Knife Sharpening Solution - With Diamonds and Ceramic for Steel of Any Hardness, Knife Sharpener 15 and 20 degree For Kitchen Knives

4

Rolling Knife Sharpener Tool Kit, Multi-Angle Magnetic Roller Sharpeners for Kitchen Knives, Diamond&Ceramic Knife Sharpening System Set, Offers 12&15&20&25 Degree Sharpening

9.7

9.7

9.7

5

Diamond Machining Technology (DMT) Diafold Serrated Diamond Knife Sharpener, Fine (FSKF), 4"

9.9

8.2

8.0

6

EdgeForge™ Rolling Knife Sharpener Kit - Magnetic Knife Sharpener with Dual Grit & Angles - Multipurpose Rolling Sharpener for Kitchen Knives, Pocket Knives, Chef's Knives - Gift Idea for Father's Day

7

RazorSharp™ Knife Sharpener With Adjustable Angle Guide — Diamond-Coated Ceramic Sharpening Stones for All Knives Including Precision Kitchen, Professional, Chef's Knives — Non-Slip Rubber Edge Grip

9.7

9.7

9.7

8

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

9.1

8.4

8.0

9

SHARPAL 156N Double-sided Diamond Sharpening Stone Whetstone Knife Sharpener | Coarse 325 / Extra Fine 1200 Grit | Storage Case with NonSlip Base & Angle Guide (6 in. x 2.5 in.)

9.7

9.3

9.1

10

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

9.1

9.1

8.9

Similar products on Amazon

Kota Japan 12 in. Diamond Carbon Steel Professional Knife Sharpener Rod | Kitchen, Home or Hunting | Master Chef, Hunter or Home Gourmet Blade Sharpening Rod or Stick

$18.98

Smith's DCS4 4” Diamond Combination Sharpener - Double Sided Stone - Outdoor Field Knife Sharpener - Fish Hook & Pointed Tools Micro Sharpener - Lightweight, Compact, Handheld

$19.98

Smith’s 51446 Diamond Retractable Sharpener – Gold – Reversible Rod – Compact – Knife & Hook Sharpener – Straight & Serrated

$7.97

KitchenIQ 50825 | Diamond Deluxe Edge Grip 2-Stage Knife Sharpener | Black | Coarse & Fine Sharpeners | Compact for Easy Storage | Non-Slip Base | Soft Grip Rubber Handle | Straight & Serrated Knives

$9.60

12 Inch Diamond Honing Steel,Professional Knife Sharpener Rod, Kitchen Knife Sharpening Rod & Tungsten Carbide Sharpener for Honing Knife Blades, Chef Knives, Pruning Shears, Garden Tools

$18.79

HFS(R) 4-Way Diamond Knife Sharpener Hone Sharpening Stone Industrial Grade 200 to 600 Grit Non-Slip Rubber Base 6" x 2"

$20.99

AccuSharp Gourmet Series, 15 Degree Knife Sharpener for Gourmet Knives, Diamond-Honed Tungsten Carbide Reversible Blades, Hones & Refines Straight-Edge or Serrated Gourmet Knives, Hand-Held, Black

$10.99

BABOSTOW Diamond Knife Sharpener Tool, 400/1000 Grits Double Sided Diamond Sharpening Stone Tool, Manual Knife Sharpener Tool, Portable Folding Sharpening Stone for Kitchen and Outdoors - Black

$15.99

SHARPAL 119N Diamond Sharpening Steel – Professional Solid Knife Sharpener Honing Rod with Built-In Angle Guides, Sharpens, Realigns, and Polishes Edges for Chef and Kitchen Knives

$19.99

OSFTBVT Diamond Knife sharpener Pocket Sharpening Stone #400/600 Double Sides Folding Portable Orange - 1pcs

$9.99

Sign up and get exclusive special deals