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stone diffuser

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Weak search conversion (1.6%) — this niche doesn't clear our bar today.

Market size 23Growth 25Conversion 20Competition 25Returns 48Price range 83Avg price 95Brand share 36Review moat 24Quality gap 89

Avg price

Incredible$35.43

avg listing price — sweet spot $15–$100

Quality gap

Great4.1★

avg incumbent rating — lower means beatable quality

Price range

Great$9.15–$108.62

cheapest to priciest tracked listing — scored on the share inside $15–$100

Returns

Okay3.3%

return rate — above 6% kills the launch gate

Brand share

Okay83%

top-5 brand share — brands hold most of the demand

Growth

Okay+0.1%

90-day search growth — must beat 0% to launch

Competition

Bad70%

top-5 click share — a locked-up shelf

Review moat

Bad5,401.94

avg incumbent reviews — the moat a new listing must climb

Market size

Bad$92K

$92K/yr · 160K searches

Conversion

Bad1.6%

search→purchase rate — share of searches ending in a sale

Competition

The top 5 products capture 70% of clicks — a locked-up shelf that new listings rarely crack.

Brands

12 falling

Sellers

20

Top-5 brand share

83%

Open market

14%

  • VITRUVI58%
  • InnoGear9%
  • Plant Therapy8%
  • Diffuserlove4%
  • VIVITEST4%
  • ASAKUKI3%
  • Open — no brand owns it (6 brands, 14%)

Product shelf

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%10%$9K20%$18K30%$28K40%$37K101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 16 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +0.1% search growth over the last 90 days.
5K3KPrime Day '24Spike '24Holiday '24Spike '25Prime Day '25Black Friday '25Holiday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Nov, Dec · busiest ÷ quietest = 2.0×

Reviews

What buyers praise and complain about, mined from review topics.

What buyers love

Diffuse Mechanism18%

“Beautiful diffuser”

Smell9%

“Nice Smell”

Quality-Overall8%

“Beautiful quality”

Value For Money7%

“Excellent Value”

Ease Of Use5%

“Easy To Use”

Efficiency4%

“It's a good products work every good make your home refresh”

Color3%

“colors are beautiful”

Durability3%

“Good for a Year”

Size-Overall3%

“Small And Mighty”

Advertised Vs Actual Product2%

“Works as advertised”

What buyers complain about

Durability34%

“Broke after one month”

Diffuse Mechanism8%

“could not get it to diffuse”

Functionality-Overall7%

“STOPPED WORKING”

Quality-Overall6%

“Poor Quality”

Leak-Proof6%

“It leaks water”

Smell4%

“Smell is very strong”

Value For Money4%

“Not worth the price”

Remote Control3%

“The remote has also stopped working”

Noise Level2%

“extremely loud”

Size-Overall2%

“Too small”

Top return reasons

Diffuse Mechanism33%
Functionality-Overall14%
Size-Overall13%
Smell6%
Advertised Vs Actual Product4%
Leak-Proof3%
Defective Material/Parts3%
Value For Money3%
Remote Control2%
Noise Level2%