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Diamond Sharpening Stones

Maybe

Returns run at only 0.6% of orders. But demand is soft, at -18.5% this quarter, so Diamond Sharpening Stones is a Maybe.

Flapen Score
50
50 / 100
Top 43% of 2,225 DIY & Tools niches · +1 vs the category median of 49
Market size
£122K/yr118K searches / yr
90-day growth
-18.5%search demand this quarter
Competition
44%top-5 click share · 14 brands · 45 sellers

Flapen Score

Diamond Sharpening Stones against its category

The dotted line is the DIY & Tools average. Past it, Diamond Sharpening Stones is stronger. Inside it, weaker.

50Maybe
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Diamond Sharpening Stones market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for Diamond Sharpening Stones 118K times last year and spent an estimated £122K. The top 5 brands take 83% of clicks. Demand peaks in Jan–Feb–Nov–Dec. Flapen scores it 50 out of 100, a Maybe.

01 · Demand

4.2% of searches ended in a purchase last week.

Shoppers searched for this 118K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. In the latest week, 4.2% of those searches ended in a purchase. Searches in the last 90 days moved -18.5% against the 90 days before. Searches, conversion and average price together put the market at an estimated £122K a year.

Searches, last 12 months
118K
Growth, 90 days vs prior 90
-18.5%
Conversion, latest week
4.2%
Market size, estimated
£122Ka year
Peak month
December1.9× the quietest month
Top search term
diamond sharpening stones36K searches a year

02 · Price

A sale here is worth £24.83.

Listings sell for £24.83 on average, from £7.41 to £115.22. Amazon reports units sold in ranges. This niche sold 3K to 4K a year. The average listing sells 0 to 100 of them. At £24.83 that is £0 to £2K a year per listing.

Average price
£24.83inside the $15 to $100 sweet spot
Price range
£7.41–£115.22
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
3K–4K
Units per listing a year
0–100
Revenue per listing a year
£0–£2K
Returns
0.6%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is reviews.

86% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #37 within Hand Tools. It carries 3,997 reviews at 4.45 stars, so a new listing needs social proof before a better product.

Sponsored listings
86%
Prime listings
100%
Out of stock, average day
0.0%
Average rank
#37in Hand Tools
Average rating
4.45 starsAmazon United Kingdom average 4.36 stars
Average reviews
3,997per listing
Listings tracked
35

04 · Newcomers

Amazon counts 1 of last year's 2 launches as successful.

2 products launched here in the last 12 months. Amazon counts 1 of them as successful launches, new products that hit its first-year sales bar. The brands on the shelf have sold for 61 months on average, so the names here are established.

Launched, last 12 months
2
Successful launches
1Amazon's first-year sales bar
Average brand age
61 months

Products

Top Diamond Sharpening Stones products & what they sell for

Every tracked product: its share of the shelf, its reviews, and its price.

Competition

Competition: brands, sellers & click share

The top 5 products take 44% of clicks. Leaders hold, but buyers still shop past them.

£0£5K£10K£15K£20K1101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

14 falling

Sellers

45

Top-5 brand share

83%

Top 20: 100%

Top-5 click share

44%

Top 20: 83%

Open market

14%

  • SHARPAL54%
  • Yuejizhe10%
  • Faithfull8%
  • CWOVRS6%
  • Aolso5%
  • S SATC3%
  • Open — no brand owns it (8 brands, 14%)

Demand

Diamond Sharpening Stones search demand

Weekly searches over the year, seasonality beneath. Pick a range.

4K3KSpike '24Holiday '24Spike '25Prime Day '25Black Friday '25Holiday '25SepDecMarJunAugNovMarMay

Peak months: Jan, Feb, Nov, Dec · busiest ÷ quietest = 1.9×

Search terms

Top Diamond Sharpening Stones search terms shoppers use

The exact words shoppers type, with yearly volume, growth, and conversion.

  • diamond sharpening stones36K/yr
  • sharpal17K/yr
  • diamond sharpening plate12K/yr
  • diamond sharpening stone9K/yr
  • diamond stone8K/yr
  • sharpal knife sharpener11K/yr
  • dmt diamond sharpening stone7K/yr
  • sharpal diamond sharpening stone6K/yr
  • diamond stones for sharpening5K/yr
  • diamond sharpening4K/yr

Reviews and returns

What reviews say buyers love and hate about Diamond Sharpening Stones

What buyers praise, what they complain about and why they send it back, from the reviews.

Complain

Quality-Overall14%−0.12

Let down by quality of the carrier

not particularly high quality

Absolute rubbish

Size-Overall11%−0.15

Not fit for purpose

too small

these are far too narrow and short

Sharpness11%+1.39

there is no way to sharpen scissors

actually have the knife lose sharpness

makes it scary sharp

Durability8%−0.05

wore out after a week

Dead after first use

I can't speak for the long term durability

Value For Money6%+1.19

leaning on the expensive side which is why I dropped a star for reduced value for money

Not value for money, cheaply made

Expensive

Love

Sharpness20%+1.39

they are now very sharp

My knives are now nice and sharp

Highly Effective Knife Sharpener

Quality-Overall16%−0.12

Stone set is good quality

Excellent product

The stones are high quality

Value For Money15%+1.19

Best for the money

Worth the money

Good value for money

Ease Of Use15%+0.76

Ease of use

Excellent piece of kit easy to use with great results

I think it's a great little handy tool

Efficiency5%+0.60

efficient this is

Performs well

Works well

Return

0.6% Return rate 22% Fixable by listing

Sharpness18%▄█▃█▆▄

there is no way to sharpen scissors

actually have the knife lose sharpness

makes it scary sharp

Size-Overall14%▆▃█▆▃█

Not fit for purpose

too small

these are far too narrow and short

Functionality-Overall12%▄▃▄▂█▅
Quality-Overall10%█▇▆▃▄▆

Let down by quality of the carrier

not particularly high quality

Absolute rubbish

Value For Money6%▄▄█▄▁▃

leaning on the expensive side which is why I dropped a star for reduced value for money

Not value for money, cheaply made

Expensive

FAQ

Common Diamond Sharpening Stones questions

Answered from the same tracked data.