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49

gems

Skip it

Prices mostly outside the sweet spot ($2.70–$11.79) — this niche doesn't clear our bar today.

Market size 11Growth 49Conversion 45Competition 68Returns 98Price range 0Avg price 17Brand share 74Review moat 71Quality gap 42

Returns

Incredible0.4%

return rate — above 5% kills the launch gate

Brand share

Good61%

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

Review moat

Good676.91

avg incumbent reviews — the moat a new listing must climb

Competition

Good44%

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

Growth

Okay+18.9%

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

Conversion

Okay3.6%

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Avg price

Bad£6.27

avg listing price — sweet spot $15–$100

Market size

Bad£43K

£43K/yr · 189K searches

Price range

Bad£2.70–£11.79

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

According to Flapen's Amazon United Kingdom niche tracking, gems is a £43K/yr Amazon United Kingdom market (189K searches/yr). The top 5 brands hold 61% of demand. Demand peaks in Nov. Verdict: Skip it — 49/100.

Data updated Jul 21, 2026 · scored weekly · How we score niches

gems market data

Units sold / yr
6K–8K
avg 100–250/product
Revenue / yr
£38K–£50K
units × avg price
Conversion rate
3.6%
Avg BSR
#39
Page quality
0%
Prime
100%
Sponsored
91%
Out of stock
5.1%
Avg brand age
28 months
Avg seller age
180 days

Competition & brand share

The top 5 products take 44% of clicks — established leaders, but buyers still shop beyond them.

Brands

26 falling

Sellers

32

Top-5 brand share

61%

Top 20: 94%

Top-5 click share

44%

Top 20: 81%

Open market

36%

  • CANVALITE27%
  • JOLCEEY13%
  • Bolosa8%
  • sularpek7%
  • BEADSLAND5%
  • a2bsales4%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +18.9% search growth over the last 90 days.
15K10KSpike '24Black Friday '24Spike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Nov · busiest ÷ quietest = 2.2×

Top gems search terms

  • rhinestones for clothes38K/yr
  • gems for crafting49K/yr
  • diamante gems27K/yr
  • gems for clothes12K/yr
  • jems9K/yr
  • swarovski crystals11K/yr
  • fabric gems4K/yr
  • glass rhinestones5K/yr
  • diamante8K/yr
  • flat back gems5K/yr
All search terms

Top gems 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.

0%5%£2K10%£4K15%£6K20%£9K1101001K10K 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.

What buyers say about gems

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

What buyers love

Quality-Overall21%

“Amazing quality”

Color18%

“lots of colours”

Value For Money16%

“Good value”

Adhesion/Stickiness12%

“Good adhesion”

Brightness/Shine/Glow6%

“they sparkle like crazy”

Ease Of Use6%

“Easy to Use”

Advertised Vs Actual Product4%

“as advertised”

Design-Overall3%

“Nice design”

Size-Overall1%

“Perfect size”

Gifting Purpose1%

“Perfect gift”

What buyers complain about

Adhesion/Stickiness41%

“Does not stick very well”

Size-Overall6%

“though I think the largest ones are a little too big for my personal taste. I do still use them sometimes”

Durability5%

“Tool broke straight away”

Quality-Overall4%

“These strips are really bad quality”

Smell4%

“The smells a bit chemical though”

Ease Of Use3%

“unfortunately not able to use”

Advertised Vs Actual Product3%

“Please amend the pictures that are being used to make this more realistic”

Color2%

“there could be a better range of colour”

Value For Money2%

“They are not cheap”

Compartment2%

“Cons:. * Storage compartments may mix over time so just have a gentle hand”

Top return reasons

Size-Overall36%
Adhesion/Stickiness27%
Color8%
Advertised Vs Actual Product6%
Quality-Overall4%
Defective Material/Parts3%
Functionality-Overall2%
Smell2%
Value For Money2%
Ease Of Use2%

Common questions

Is gems profitable to sell on Amazon United Kingdom?
The niche generates £43K/yr across 35 tracked products. 5 of 7 products launched in the last 360 days are still selling. 90-day search growth is +18.9%. Flapen's verdict: Skip it (49/100).
How competitive is the gems niche?
26 brands and 32 sellers compete. The top 5 products take 44% of clicks and top 5 brands hold 61% of demand.
What do buyers complain about in gems?
Top complaints mined from reviews: Adhesion/Stickiness, Size-Overall, Durability. The return rate is 0.4%.
When does demand for gems peak?
Demand peaks in Nov; the busiest month runs 2.2× the quietest.
What does it cost to enter the gems niche?
Listings span £2.70–£11.79; the average listing price is £6.27 (sweet spot $15–$100). The average incumbent carries 677 reviews — the moat a new listing must climb.