Diamond Knife Sharpener
Diamond Knife Sharpener shows low returns (0.6%), but a small market ($55K/yr) keeps it on the watch list.
Flapen Score
Is Diamond Knife Sharpener profitable on Amazon?
According to Flapen's Amazon United Kingdom niche tracking, Diamond Knife Sharpener is a £55K/yr Amazon United Kingdom market (21K searches/yr). The top 5 brands hold 80% of demand. Demand peaks in Sep–Oct–Nov–Dec. Verdict: Worth a look — 50/100.
Diamond Knife Sharpener: the Amazon niche in one read
Everything a seller checks before entering, in three answers.
Is the demand real?
Worth a look. Search demand moved -19.6% over the last 90 days and 12.7% of searches end in a purchase.
£55K
revenue / yr
Who owns the niche?
The top 5 brands hold 80% of demand, so 20% of the market is open.
20%
open market share
Is there a way in?
Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.4★ — the gap to enter on.
0/100
page quality · 14 products
Top Diamond Knife Sharpener products & what they sell for
Every tracked product — its share of the shelf, its review moat, and what it sells for.
Top sellers
by 90-day click share
Diamond Sharpening Steel - 12 inch Knife Sharpener for Master Chef Ideal for Kitchen Knife Cooking Knife Butchers and Japanese Knife Home Gourmet Blade Sharpening Stick
- Price
- £12.97
- Rating
- 4.4/5
- Reviews
- 299
- Age
- 3y ago
Vogue D161 Diamond Sharpening Steel Oval 12
- Price
- £11.50
- Rating
- 4.5/5
- Reviews
- 422
- Age
- 24y ago
Kimura Professional Diamond Honing Steel 10 inch Honing Rod Diamond Knife Sharpener Magnetized Steel Ergonomic Polypropylene Handle Ideal for Chef Knives Japanese Gift Box
- Price
- £22.28
- Rating
- 4.7/5
- Reviews
- 156
- Age
- 2y ago
Navaris Diamond Knife Sharpener Steel - Japanese Chefs Knife Sharpener with Ergonomic Handle - Honing Rod for Chefs Knives Carving Knives and More - Diamond Sharpening Rod
- Price
- £15.43
- Rating
- 4.4/5
- Reviews
- 2,638
- Age
- 9y ago
Vogue Diamond Knife Sharpening Steel 25.5 cm/10 inch Black Material: Diamond Steel Microcrystalline Surface Produces Precise Sharp Results Rockwell 99 degree Hardness Rating CC199
- Price
- £10.66
- Rating
- 4.5/5
- Reviews
- 155
- Age
- 18y ago
Trending
90-day click momentum
Diamond Sharpening Steel - 12 inch Knife Sharpener Professional Sharpening Steel for Kitchen Knife Cooking Knifes Butchers and Japanese Knifes
- Price
- £11.63
- Rating
- 4.8/5
- Reviews
- 9
- Age
- 8mo ago
Diamond Sharpening Steel - 12 inch Knife Sharpener for Master Chef Ideal for Kitchen Knife Cooking Knife Butchers and Japanese Knife Home Gourmet Blade Sharpening Stick
- Price
- £12.97
- Rating
- 4.4/5
- Reviews
- 299
- Age
- 3y ago
Victorinox Diamond Wetzahl 26 0 cm Black 7.8323
- Price
- £42.55
- Rating
- 4.5/5
- Reviews
- 281
- Age
- 16y ago
Kimura Professional Diamond Honing Steel 10 inch Honing Rod Diamond Knife Sharpener Magnetized Steel Ergonomic Polypropylene Handle Ideal for Chef Knives Japanese Gift Box
- Price
- £22.28
- Rating
- 4.7/5
- Reviews
- 156
- Age
- 2y ago
MITSUMOTO SAKARI 10 Inch Japanese Knife Sharpening Rod Flat Honing Steel
- Price
- £53.44
- Rating
- 4.4/5
- Reviews
- 208
- Age
- 2y ago
Newest
by launch dateDiamond Sharpening Steel - 12 inch Knife Sharpener Professional Sharpening Steel for Kitchen Knife Cooking Knifes Butchers and Japanese Knifes
- Price
- £11.63
- Rating
- 4.8/5
- Reviews
- 9
- Age
- 8mo ago
SINJEUN 2 PCS Diamond Sharpening Steel 12 Inch Black Handle Knife Honing Steel for Edge Maintenance Professional Home Use
- Price
- £13.24
- Rating
- 3.0/5
- Reviews
- 3
- Age
- 1y ago
Diamond Sharpening Steel 12 (31cm) - Diamond Knife Sharpener Professional Kitchen Knife Sharpener Knife Sharpener Rod Cooking Knives Butchers Knives Home Gourmet Blades
- Price
- £12.68
- Rating
- 4.4/5
- Reviews
- 23
- Age
- 1y ago
Kimura Professional Diamond Honing Steel 10 inch Honing Rod Diamond Knife Sharpener Magnetized Steel Ergonomic Polypropylene Handle Ideal for Chef Knives Japanese Gift Box
- Price
- £22.28
- Rating
- 4.7/5
- Reviews
- 156
- Age
- 2y ago
MITSUMOTO SAKARI 10 Inch Japanese Knife Sharpening Rod Flat Honing Steel
- Price
- £53.44
- Rating
- 4.4/5
- Reviews
- 208
- Age
- 2y ago
Competition: brands, sellers & click share
The top 5 products capture 71% of clicks — a locked-up shelf that new listings rarely crack.
Brands
12 falling
Sellers
26
Top-5 brand share
80%
Top 20: 100%
Top-5 click share
71%
Top 20: 100%
Open market
15%
- W WITHLENT30%
- Vogue25%
- Kimura10%
- Navaris10%
- Victorinox5%
- Harnovlis5%
- Open — no brand owns it (6 brands, 15%)
Diamond Knife Sharpener demand & seasonality
Weekly search volume, with the niche's key stats alongside.
Peak months: Sep, Oct, Nov, Dec · busiest ÷ quietest = 4.6×
Top Diamond Knife Sharpener search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.
- diamond steel knife sharpener9K/yr
- diamond steel6K/yr
- diamond sharpening steel6K/yr
What reviews say buyers love and hate about Diamond Knife Sharpener
What buyers mention most, as a share of all reviews.
What buyers love
90% of reviews“Keep things sharp”
“Good quality”
“Great deal”
“Easy to use”
“As advertised”
What buyers complain about
88% of reviews“Not for professional use doesn't last long enough”
“it's a truly garbage product”
“Our previous one of 42 years got rusty”
“Complete waste of money”
“Rather plasticky handle”
Diamond Knife Sharpener return rate & reasons
Why buyers send it back, as a share of all return requests.
0.6%
Return rate
22%
Fixable by listing
The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.
Common Diamond Knife Sharpener questions
The questions sellers ask about this niche, answered from the tracked metrics.
Related niches
Same-category niches scoring near this one — the next ones worth researching.
Best Flapen score
The highest-scoring niches we track right now, across every category.
