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harry potter diamond painting

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Soft demand (-10.6% this quarter) — this niche doesn't clear our bar today.

Market size 24Growth 20Conversion 29Competition 58Returns 98Price range 76Avg price 69Brand share 61Review moat 91Quality gap 22

Returns

Incredible0.5%

return rate — above 6% kills the launch gate

Review moat

Great181.17

avg incumbent reviews — the moat a new listing must climb

Price range

Great$5.39–$45.55

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

Avg price

Good$14.27

avg listing price — sweet spot $15–$100

Brand share

Good68%

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

Competition

Good50%

top-5 click share — leaders hold, buyers still browse

Conversion

Okay2.3%

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

Market size

Bad$94K

$94K/yr · 290K searches

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Growth

Bad-10.6%

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

Competition

The top 5 products take 50% of clicks — established leaders, but buyers still shop beyond them.

Brands

17 falling

Sellers

27

Top-5 brand share

68%

Open market

27%

  • LEZHIJIA25%
  • EIBEILI14%
  • CRAFTHUB12%
  • GEMFAMILY11%
  • PSCH7%
  • Crystal Art5%

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%4%$4K8%$8K12%$11K16%$15K1101001K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -10.6% search growth over the last 90 days.
13K8KHoliday '24Prime Day '25Holiday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jan, Dec · busiest ÷ quietest = 2.6×

Reviews

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

What buyers love

Quality-Overall25%

“Great chart”

Fun/Entertainment Experience16%

“Fun project”

Advertised Vs Actual Product9%

“This turned out better than I expected”

Gifting Purpose7%

“It will make a great gift for my bestie”

Ease Of Use7%

“easy to do”

Value For Money6%

“Worth it”

Size-Overall5%

“Perfect size”

Color5%

“The colors are beautiful”

Adhesion/Stickiness4%

“Plenty of sticky with the poured glue”

Brightness/Shine/Glow3%

“shimmering effect once its finished”

What buyers complain about

Size-Overall19%

“Somewhere over size”

Advertised Vs Actual Product13%

“It doesnt look like the pic advertised sadly”

Value For Money11%

“Diamond Art Club is a little on the expensive side”

Color10%

“I wish we had gotten at least 1 with some color in it”

Quality-Overall8%

“Garbage”

Assembly/Installation5%

“AND NO WAY TO ASSEMBLE”

Adhesion/Stickiness5%

“It's very sticky”

Defective Material/Parts5%

“An entire piece is missing”

Display Colors3%

“Color scheme is off”

Paint Quality3%

“Some diamond paintings dont really pan out”

Top return reasons

Advertised Vs Actual Product33%
Size-Overall22%
Value For Money11%
Defective Material/Parts9%
Frame Quality6%
Color6%
Material Quality4%
Paint Quality4%
Design-Overall4%
Quality-Overall2%