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Diamond Sharpening Card

Maybe

Products sell for $44.58 on average, inside the sweet spot. But the top 5 brands take 97% of clicks, so Diamond Sharpening Card is a Maybe.

Flapen Score
50
50 / 100
Top 39% of 9,536 Tools & Home Improvement niches · +2 vs the category median of 48
Market size
$173K/yr97K searches / yr
90-day growth
-1.1%search demand this quarter
Competition
42%top-5 click share · 8 brands · 111 sellers

Flapen Score

Diamond Sharpening Card against its category

The dotted line is the Tools & Home Improvement average. Past it, Diamond Sharpening Card 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 Card market on Amazon at a glance

Shoppers on Amazon United States searched for Diamond Sharpening Card 97K times last year and spent an estimated $173K. The top 5 brands take 97% of clicks. Demand peaks in Jan–Dec. Flapen scores it 50 out of 100, a Maybe.

01 · Demand

4.0% of searches ended in a purchase last week.

Shoppers searched for this 97K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. In the latest week, 4.0% of those searches ended in a purchase. Searches in the last 90 days moved -1.1% against the 90 days before. Searches, conversion and average price together put the market at an estimated $173K a year.

Searches, last 12 months
97K
Growth, 90 days vs prior 90
-1.1%
Conversion, latest week
4.0%
Market size, estimated
$173Ka year
Peak month
December1.8× the quietest month
Top search term
dmt diamond sharpening stone47K searches a year

02 · Price

A sale here is worth $44.58.

Listings sell for $44.58 on average, from $11.63 to $146.76. Amazon reports units sold in ranges. This niche sold 3K to 4K a year. The average listing sells 0 to 100 of them. At $44.58 that is $0 to $4K a year per listing.

Average price
$44.58inside the $15 to $100 sweet spot
Price range
$11.63–$146.76
Amazon United States median price
$24.38across 115,062 niches
Units sold a year
3K–4K
Units per listing a year
0–100
Revenue per listing a year
$0–$4K
Returns
1.3%of orders · Amazon United States median 2.1%

03 · Entry bar

The bar here is low.

56% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.5% of listings are out of stock. The average listing ranks #1,082 within Sharpening Stones. It carries 835 reviews at 4.50 stars, so a new listing needs social proof before a better product.

Sponsored listings
56%
Prime listings
100%
Out of stock, average day
0.5%
Average rank
#1,082in Sharpening Stones
Average rating
4.50 starsAmazon United States average 4.42 stars
Average reviews
835per listing
Listings tracked
39

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 75 months on average, so the names here are established.

Launched, last 12 months
1
Successful launches
0Amazon's first-year sales bar
Average brand age
75 months

Products

Top Diamond Sharpening Card 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 42% of clicks. Leaders hold, but buyers still shop past them.

$0$7K$14K$21K$28K1101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

8 rising

Sellers

111

Top-5 brand share

97%

Top 20: 100%

Top-5 click share

42%

Top 20: 82%

Open market

2%

  • DMT (Diamond Machining Technology)73%
  • EZE-LAP12%
  • TREND6%
  • SHARPAL5%
  • Ultrasharp2%
  • Mysora1%
  • Open — no brand owns it (2 brands, 2%)

Demand

Diamond Sharpening Card search demand

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

3K2KHoliday '24Prime Day '25Spike '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jan, Dec · busiest ÷ quietest = 1.8×

Search terms

Top Diamond Sharpening Card search terms shoppers use

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

  • dmt diamond sharpening stone47K/yr
  • dmt knife sharpener9K/yr
  • eze lap diamond stone9K/yr
  • dmt sharpening stone8K/yr
  • lapping fluid4K/yr
  • diamond sharpening card4K/yr
  • eze lap diamond sharpener3K/yr
  • router bit sharpener4K/yr
  • dmt sharpener4K/yr
  • eze-lap2K/yr

Reviews and returns

What reviews say buyers love and hate about Diamond Sharpening Card

We read the reviews and the return reasons for every product selling here.

24%of positive reviews mention “Sharpness”
16%of negative reviews mention “Sharpness”
1.3%of orders come back
“You cant get it razor sharp”
A buyer, on “Sharpness”16% of negative reviews mention the same topic

Every topic

Every topic buyers talk about, one row each.

Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.

16 topics

NegativePositive

FAQ

Common Diamond Sharpening Card questions

Answered from the same tracked data.