Rank #4 in Best Knife Sharpener 2026: The Grit Field Holds a Word
Diamond Edge No.1 Knife Sharpener, 2-Stage, Tungsten Carbide
Price and rating as shown on Amazon when we collected them. Both change.
The Diamond Edge No.1 costs £12.99 and is rated 4.4 stars from 10,515 ratings, and it weighs 70 grams.
It takes fourth because the sample is large and the form factor is the most convenient here, while its grit field names one grade for a two-stage cutter and its reviewers warn that it removes a lot of steel.
How those 10,515 ratings break down
An average hides its own shape. This is the spread behind the 4.4 stars.
Specification
Exactly as published on the Amazon listing, field for field.
| Grit as listed | Fine |
|---|---|
| Material | Tungsten carbide |
| Item weight | 70 g |
| Dimensions | 6.2 x 6.2 x 6.7 cm |
| Rating warning | Reviewers note it removes metal |
| Ratings | 4.4 from 10,515 |
What buyers actually say
Quoted from customer reviews on Amazon
Verified purchase“Small but works perfectly. I’m very happy with it.”
Verified purchase“Love this little addition to my kitchen, really does a great job.”
What it is up against
The rivals it was ranked against in Best Knife Sharpener 2026: The Grit Field Holds a Word.
Rank #1
AnySharp Knife Sharpener, Hands-Free Suction, 20 Degree, Black
£8.00
Rank #2
AnySharp Knife Sharpener Silver, Hands-Free Suction, 20 Degree
£10.00
Rank #3
Smart Sharp Knife Sharpener 3-Stage with Ceramic and Carbide Slots
£12.99
Rank #5
Diamond Edge No.1 Knife Sharpener, Ruby Red, 2-Stage
£12.99
Questions people ask
Will it damage my knife?
It removes metal from the edge, which is what carbide does; a stone is gentler.
How big is it?
About 6cm across and 70g, so it lives in a drawer.
What angle does it use?
The bullet mentions a preset angle but does not name it.
Does it work on serrated blades?
The title says it is suitable for serrated and outdoor blades.
Why is it fourth?
Because it is the most convenient sharpener here, at the cost of a grit field that says nothing useful.
How many ratings does it have?
10515 at the time of collection, averaging 4.4 stars, with 66 per cent five-star and 4 per cent one-star.
Comments
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