Diamond Knife Sharpener
MaybeReturns run at only 0.6% of orders. But shoppers spend only $55K a year here, so Diamond Knife Sharpener is a Maybe.
- Flapen Score
- 50 / 100Ranks 2,970 of 5,777 Home & Garden niches · −1 vs the category median of 5150
- Market size
- £55K/yr21K searches / yr
- 90-day growth
- -19.6%search demand this quarter
- Competition
- 71%top-5 click share · 12 brands · 26 sellers
Flapen Score
Diamond Knife Sharpener against its category
The dotted line is the Home & Garden average. Past it, Diamond Knife Sharpener is stronger. Inside it, weaker.
Market
The Diamond Knife Sharpener market on Amazon at a glance
Shoppers on Amazon United Kingdom searched for Diamond Knife Sharpener 21K times last year and spent an estimated £55K. The top 5 brands take 80% of clicks. Demand peaks in Sep–Oct–Nov–Dec. Flapen scores it 50 out of 100, a Maybe.
01 · Demand
12.7% of searches ended in a purchase last week.
Shoppers searched for this 21K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. In the latest week, 12.7% of those searches ended in a purchase. Searches in the last 90 days moved -19.6% against the 90 days before. Searches, conversion and average price together put the market at an estimated £55K a year.
- Searches, last 12 months
- 21K
- Growth, 90 days vs prior 90
- -19.6%
- Conversion, latest week
- 12.7%
- Market size, estimated
- £55Ka year
- Peak month
- December4.6× the quietest month
- Top search term
- diamond steel knife sharpener9K searches a year
02 · Price
A sale here is worth £20.98.
Listings sell for £20.98 on average, from £10.66 to £53.44. Amazon reports units sold in ranges. This niche sold 2K to 2K a year. The average listing sells 100 to 250 of them. At £20.98 that is £2K to £5K a year per listing.
- Average price
- £20.98inside the $15 to $100 sweet spot
- Price range
- £10.66–£53.44
- Amazon United Kingdom median price
- £12.12across 27,606 niches
- Units sold a year
- 2K–2K
- Units per listing a year
- 100–250
- Revenue per listing a year
- £2K–£5K
- Returns
- 0.6%of orders · Amazon United Kingdom median 0.6%
03 · Entry bar
The bar here is low.
71% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 1.8% of listings are out of stock. The average listing ranks #49 within Knife Sharpeners. It carries 614 reviews at 4.38 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 71%
- Prime listings
- 100%
- Out of stock, average day
- 1.8%
- Average rank
- #49in Knife Sharpeners
- Average rating
- 4.38 starsAmazon United Kingdom average 4.36 stars
- Average reviews
- 614per listing
- Listings tracked
- 14
04 · Newcomers
Amazon counts 0 of last year's 1 launches as successful.
1 products launched here in the last 12 months. Amazon counts 0 of them as successful launches, new products that hit its first-year sales bar. The brands on the shelf have sold for 58 months on average, so the names here are settling in.
- Launched, last 12 months
- 1
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 58 months
Products
Top Diamond Knife Sharpener products & what they sell for
Every tracked product: its share of the shelf, its reviews, and its price.
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 date
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

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
Competition: brands, sellers & click share
The top 5 products take 71% of clicks. A locked 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%)
Demand
Diamond Knife Sharpener search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Sep, Oct, Nov, Dec · busiest ÷ quietest = 4.6×
Search terms
Top Diamond Knife Sharpener search terms shoppers use
The exact words shoppers type, with yearly volume, growth, and conversion.
- diamond steel knife sharpener9K/yr
- diamond steel6K/yr
- diamond sharpening steel6K/yr
Reviews and returns
What reviews say buyers love and hate about Diamond Knife Sharpener
What buyers praise, what they complain about and why they send it back, from the reviews.
Complain
Not for professional use doesn't last long enough
Sadly the diamond surface very quickly became worn and ineffective
sadly worn in no time
it's a truly garbage product
junk products
victorinox has lost its quality now
Our previous one of 42 years got rusty
Complete waste of money
Rather plasticky handle
Love
Keep things sharp
they stay sharp
Sharp
Good quality
Great quality and easy to store
Build Quality: It feels incredibly sturdy
Great deal
Excellent value for money
very well worth the money
Easy to use
making it much easier to maintain a consistent angle as you swipe
Having both options in one tool makes it incredibly convenient
As advertised
works as intended
Return
0.6% Return rate 22% Fixable by listing
it's a truly garbage product
junk products
victorinox has lost its quality now
Keep looking
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Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Diamond Knife Sharpener questions
Answered from the same tracked data.









