Best Diamond Sharpeners in 2026
Daisy
Last Updated: Jul 18, 2026
Daisy
Last Updated: Jul 18, 2026
* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| For Online Only | 4.81 | ❌ | ❌ | ❌ |
MADE IN THE USA. Wicked Edge has produced highest quality precision knife sharpening systems since 2007.
LIMITED LIFETIME WARRANTY. We are proud of our sharpening systems and we stand behind our products.
INCLUDES: - Includes hard carrying case with custom foam insert. - Coarse 100 Grit / Medium Coarse 200 Grit Diamond Stones Pack. - Medium Fine 400 Grit / Fine 600 Grit Diamond Stones Pack. - Extra Fine 800 Grit / Ultra Fine 1000 Grit Diamond Stones Pack.
FASTEST AND EASIEST TO USE of any Wicked Edge sharpener. Rapid Angle Adjustment Mechanism - angle is changed on both sides of the sharpener simultaneously with the pull of a lever. Generation 3 Cam-Lock Vise - one-step knife clamping requires no additional tools to operate.
SHARPENS BLADES UP TO 15" LONG. Angle Range: 13.5 to 27.5 Degrees (27 to 55 degrees inclusive). Main angle adjustment in 0.50 degree increments, and micro-angle adjustment in 0.05 degree increments.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Scharf Industries LLC | 9.87 | ✅ | ✅ | ✅ |
MADE IN THE USA. Wicked Edge has produced highest quality precision knife sharpening systems since 2007.
LIMITED LIFETIME WARRANTY. We are proud of our sharpening systems and we stand behind our products.
Sharpens a very wide assortment of knives. Wide angle range for added versatility. Fine angle adjustment and control
ANGLE RANGE: 13-35 degrees per side (26-70 degrees inclusive). Main angle adjustment in 1 degree increments, and micro-angle adjustment in 0.05 degree increments. Can sharpen blades up to 15" long.
PARTS ARE FULLY MODULAR. Interchangeable with upgrades for advanced sharpening capabilities.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Oldawan Tools To Stay Sharp | 5.91 | ❌ | ❌ | ❌ |
50/80 Grit
Extra Coarse/Extra, Extra Coarse diamond sharpening stones
Perfect for sharpening worn or damaged knives and tools
Use with the Wicked Edge Sharpener or freehand
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Hunting_Stuff | 9.92 | ✅ | ✅ | ✅ |
MADE IN THE USA. Sharpens a very wide assortment of knives - offers the most versatility. Generation 3 Cam-Lock Vise - one-step knife clamping and doesn't require additional tools to operate.
INCULDES: - Coarse 100 Grit / Medium Coarse 200 Grit Diamond Stones Pack. - Medium Fine 400 Grit / Fine 600 Grit Diamond Stones Pack.
WIDEST RANGE OF CUSTOMIZABLE ANGLES. Ability to adjust angles independently for asymmetrical grinds. Clamps the widest variety of knife grinds, including blades that are full-flat-ground or distally tapered.
CAN SHARPEN BLADES UP TO 15" LONG. Angle Range: 13 to 35 Degrees ( 26 to 70 degrees inclusive). Main angle adjustment in 1 degree increments, and micro-angle adjustment in 0.05 degree increments. Sharpener's angle markings are calibrated for knife's edge at 5/8" over top of vise.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Best Sharpening Stone | 9.85 | ✅ | ✅ | ✅ |
MADE IN THE USA. Wicked Edge has produced highest quality precision knife sharpening systems since 2007.
LIMITED LIFETIME WARRANTY. We are proud of our sharpening systems and we stand behind our products.
ANGLE RANGE: 15-30 degrees per side (30-60 degrees inclusive). Angle adjustment in 1 degree increments. Can sharpen blades up to 15" long.
INCLUDES: - Coarse 100 Grit / Medium Coarse 200 Grit Diamond Stones Pack. - Medium Fine 400 Grit / Fine 600 Grit Diamond Stones Pack. - Base is required; sold separately.
PARTS ARE FULLY MODULAR. Interchangeable with upgrades for advanced sharpening capabilities. BASE REQUIRED - NOT INCLUDED. Compatible with Wicked Edge Aluminum and Granite Bases.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Best Sharpening Stone | 9.85 | ✅ | ✅ | ✅ |
New Ball-Joint Guide Rod System
Perfect Edge Every Time; Precise Angle Control; Easy to Use
Adjustable Angles from 15°- 30°. Sharpens Knives up to 17"
Upgraded Quartz Stone Base included (colors may vary)
8 Diamond Stones: 2 each of 100, 200, 400 & 600 grit. Complete Instructions included
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Zentra, LLC | 9.93 | ✅ | ✅ | ✅ |
This is the new 2017 model. It is made in the USA.
Kit includes: 8 Diamond Stones, 2 each in 100, 200, 400 and 600 grits
Continuously variable angle adjustment from 15 to 30 degrees in 1 degree increments: no micro angle adjustment
This new 2017 model INCLUDES ball-joint guide rod system
Base Sold Separately
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Wicked Edge | 7 |
We've carried out a comprehensive analysis of 463 reviews on sharpeners, using our selection criteria to identify the best options in the categories. Our findings reveal that most customers typically select sharpeners priced around $557.57, with top brands including and
Our team of expert editors reviewed these high-quality items and handpicked the top 7 sharpeners for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the categories category. These include and .
We are dedicated to assisting our users in finding the right sharpeners Products based on their needs, saving them considerable time when choosing which sharpeners to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.
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