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49

black diamond earrings

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Soft demand (-6.7% this quarter) — this niche doesn't clear our bar today.

Market size 40Growth 22Conversion 48Competition 45Returns 86Price range 87Avg price 95Brand share 35Review moat 49Quality gap 45

Avg price

Incredible$27.79

avg listing price — sweet spot $15–$100

Price range

Great$7.54–$81.96

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

Returns

Great1.5%

return rate — above 6% kills the launch gate

Review moat

Okay1,561.57

avg incumbent reviews — the moat a new listing must climb

Conversion

Okay3.8%

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

Competition

Okay58%

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Market size

Okay$202K

$202K/yr · 190K searches

Brand share

Okay84%

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

Growth

Bad-6.7%

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

Competition

The top 5 products take 58% of clicks — established leaders, but buyers still shop beyond them.

Brands

11 falling

Sellers

13

Top-5 brand share

84%

Open market

12%

  • Besteel28%
  • MomentWish22%
  • FIBO STEEL20%
  • Subiceto10%
  • Jstyle4%
  • Gugots4%
  • Open — no brand owns it (5 brands, 12%)

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%$20K20%$40K30%$61K40%$81K101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 21 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -6.7% search growth over the last 90 days.
8K6KPrime Day '24Spike '24Holiday '24Spike '25Black Friday '25Holiday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Dec · busiest ÷ quietest = 2.5×

Reviews

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

What buyers love

Quality-Overall26%

“Pretty good earrings”

Value For Money12%

“Worth the purchase”

Comfort-Overall11%

“So comfortable”

Size-Overall8%

“Fits well”

Color7%

“Stunning beautiful colors”

Allergies4%

“They dont cause any discomfort or irritation either”

Metal Quality4%

“The implant grade G23 titanium is perfect for sensitive ears and feels lightweight”

Shape/Style4%

“The diamond styled pairs were good though”

Durability4%

“very durable”

Ease Of Use4%

“Easy and cute”

What buyers complain about

Durability21%

“TERRIBLE PRODUCT,the first day I put the earring on it broke and then I put the second one on and that broke as well, so I lost both pieces within one week,”

Size-Overall16%

“They are small”

Value For Money7%

“Super disappointed for the price I paid”

Quality-Overall7%

“Very cheap quality broke shaft was still in my ear”

Ease Of Use6%

“it was already hard trying to figure out how to open them”

Fastener Quality5%

“Defective backs”

Material Quality5%

“Feels plastic”

Width5%

“Too wide”

Allergies4%

“If most earrings, cause irritation, These won't”

Locking Mechanism3%

“it doesnt stay secure throughout the day”

Top return reasons

Size-Overall63%
Advertised Vs Actual Product10%
Defective Material/Parts6%
Quality-Overall3%
Wrong Dimensions3%
Shape/Style2%
Material Quality2%
Metal Authenticity2%
Value For Money1%
Color1%