diamond grinding wheel
Worth a lookShows a sweet-spot price point ($19.42 avg), but soft demand (-6.4% this quarter) keeps it on the watch list.
Avg price
Great$19.42avg listing price — sweet spot $15–$100
Returns
Great1.6%return rate — above 5% kills the launch gate
Brand share
Great57%top-5 brand share — no brand owns this niche
Price range
Great$6.72–$45.36cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Good5.9%search→purchase rate — share of searches ending in a sale
Review moat
Good970.18avg incumbent reviews — the moat a new listing must climb
Competition
Okay57%top-5 click share — leaders hold, buyers still browse
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Market size
Okay$128K$128K/yr · 113K searches
Growth
Bad-6.4%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, diamond grinding wheel is a $128K/yr Amazon United States market (113K searches/yr). The top 5 brands hold 57% of demand. Demand peaks in Dec. Verdict: Worth a look — 53/100.
Data updated Aug 6, 2026 · scored weekly · How we score niches
diamond grinding wheel market data
- Units sold / yr
- 3K–4K
- avg 100–250/product
- Revenue / yr
- $58K–$78K
- units × avg price
- Conversion rate
- 5.9%
- Avg BSR
- #51
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 91%
- Out of stock
- 4.3%
- Avg brand age
- 42 months
- Avg seller age
- 161 days
Competition & brand share
The top 5 products take 57% of clicks — established leaders, but buyers still shop beyond them.Brands
17 falling
Sellers
41
Top-5 brand share
57%
Top 20: 100%
Top-5 click share
57%
Top 20: 98%
Open market
38%
- JINGLING23%
- HRLORKC13%
- SALI7%
- DEWALT7%
- UF-SHARP7%
- HARFINGTON5%
Demand & seasonality
Weekly Amazon search volume, last 66 weeks — -6.4% search growth over the last 90 days.Peak months: Dec · busiest ÷ quietest = 2.3×
Top diamond grinding wheel search terms
- diamond grinding wheel38K/yr
- diamond grinding disc17K/yr
- diamond wheel12K/yr
- diamond grinder wheel10K/yr
- diamond wheel for angle grinder8K/yr
- diamond grinder7K/yr
- diamond disc for grinder6K/yr
- 4.5 diamond grinding wheel4K/yr
- 4 inch diamond grinding wheel5K/yr
- diamond sharpening wheel4K/yr
Top diamond grinding wheel products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 22 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
JINGLING 4 inch 100mm Diamond Flat Lap Disc Coated Grinding Disk Grit 320 Medium
JINGLING$11.634.6★259 rev
3 Pieces Diamond Cup Grinder 4 Inch Concrete Turbo Diamond Grinding Cup Wheel 12 Segs Heavy Duty Angle Grinder Wheels for Angle Grinder
HRLORKC$13.734.6★1,113 rev
DEWALT Diamond Blade for Masonry Dry Cutting Continuous Rim 7/8-Inch Arbor 4-1/2-Inch (DW4725)
DEWALT$8.624.7★8,434 rev
UF-SHARP 3 inch Diamond Grinding Wheel 150 Grit 1/2 Arbor 10mm Wide
UF-SHARP$19.944.5★88 rev
SWIGRANCE 2Pcs Diamond Concrete Grinding Cup Wheels 115mm 4-1/2 Set (Double Row + Turbo Row Segment) Fits 7/8 Arbor for Angle Grinder Shaping Cleaning Concrete Masonry Marble Granite Brick
SWIGRANCE$17.864.6★451 rev
Newest
by launch date
SCOTTCHEN Diamond Grinding Disc 8 (200mm) No Center Hole Flat Lap Disk Polishing Discs -60 Grit Sanding Grinding Disc for Gemstone Tile Porcelain Glass & Metal Polishing
SCOTTCHEN$23.6311 rev
INWELL 4-1/2 Inch Segmented Diamond Saw Blades 2-Pack Tile Cutter Blades
Inwell$6.92169 rev
HARFINGTON Diamond Lapidary Wheel 6 Inch x 1 Inch with 1 Arbor Hole 240 Grit Jewelry Grinding Wheels with Reducers for Stone Marble Gem Glass Ceramics Crystal Cemented Carbide Steel
HARFINGTON$30.128 rev
HARFINGTON Diamond Flat Lap Disc 4 x 5/8 Arbor 80 Grit Abrasive Diamond Coated Grinding Wheel for Grinding Sanding Lapping Polishing Ceramics Glass Stones Gemstone
HARFINGTON$9.678 rev
LOZLIN Diamond Blades 3PCS 4.5(115 * 22.23mm) Diamond Grinding & Cutting Discs - Flat Angle Grinder Blades Fits 7/8 Arbor for Marble/Quartz/Ceramic/Glass
Generic$23.69138 rev
Trending
90-day click momentumHARFINGTON Diamond Flat Lap Disc 4 x 5/8 Arbor 80 Grit Abrasive Diamond Coated Grinding Wheel for Grinding Sanding Lapping Polishing Ceramics Glass Stones Gemstone
HARFINGTON$9.674.1★
SWIGRANCE 2Pcs Diamond Concrete Grinding Cup Wheels 115mm 4-1/2 Set (Double Row + Turbo Row Segment) Fits 7/8 Arbor for Angle Grinder Shaping Cleaning Concrete Masonry Marble Granite Brick
SWIGRANCE$17.864.6★
ZORUNNA 2Pcs 4.5 Diamond Blade for Angle Grinder Tile Saw Blades
ZORUNNA$9.674.5★
7 Diamond Grinding Wheel for Concrete Masonry 24 Segments 5/8-11
EDiamondTools$45.364.6★
HARFINGTON Diamond Lapidary Wheel 6 Inch x 1 Inch with 1 Arbor Hole 240 Grit Jewelry Grinding Wheels with Reducers for Stone Marble Gem Glass Ceramics Crystal Cemented Carbide Steel
HARFINGTON$30.123.6★
What buyers say about diamond grinding wheel
What buyers praise and complain about, mined from review topics.What buyers love
“Good Value”
“Great quality blade”
“As advertised”
“Cut like Butter”
“The blade is so durable”
“Ease of use”
“Good blade”
“Solid performing Cup Wheel”
“Good fit and worked for what I needed”
“Heavy enough to be stable”
What buyers complain about
“Ring broke on first use”
“Didnt fit”
“No work”
“poorly balanced”
“this item was sold under a false pretense”
“Quality poor”
“Weak blades”
“No bind, turns brick to butter”
“Lasted for about 12 of brick before not cutting anymore”
“I couldnt get all of it off”
Top return reasons
Common questions
- Is diamond grinding wheel profitable to sell on Amazon United States?
- The niche generates $128K/yr across 22 tracked products. 90-day search growth is -6.4%. Flapen's verdict: Worth a look (53/100).
- How competitive is the diamond grinding wheel niche?
- 17 brands and 41 sellers compete. The top 5 products take 57% of clicks and top 5 brands hold 57% of demand.
- What do buyers complain about in diamond grinding wheel?
- Top complaints mined from reviews: Durability, Size-Overall, Functionality-Overall. The return rate is 1.6%.
- When does demand for diamond grinding wheel peak?
- Demand peaks in Dec; the busiest month runs 2.3× the quietest.
- What does it cost to enter the diamond grinding wheel niche?
- Listings span $6.72–$45.36; the average listing price is $19.42 (sweet spot $15–$100). The average incumbent carries 970 reviews — the moat a new listing must climb.