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58

ruby

Worth a look

Shows a sweet-spot price point ($66.78 avg), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 56Growth 68Conversion 20Competition 77Returns 40Price range 46Avg price 87Brand share 86Review moat 54Quality gap 43

Avg price

Great$66.78

avg listing price — sweet spot $15–$100

Brand share

Great49%

top-5 brand share — no brand owns this niche

Competition

Great38%

top-5 click share — an open shelf

Growth

Good+48.4%

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

Market size

Good$412K

$412K/yr · 383K searches

Review moat

Good1,358.3

avg incumbent reviews — the moat a new listing must climb

Price range

Okay$7.84–$191.89

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Returns

Okay3.8%

return rate — above 5% kills the launch gate

Conversion

Bad1.6%

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

According to Flapen's Amazon United States niche tracking, ruby is a $412K/yr Amazon United States market (383K searches/yr). The top 5 brands hold 49% of demand. Demand peaks in Jul–Dec. Verdict: Worth a look — 58/100.

Data updated Jul 22, 2026 · scored weekly · How we score niches

ruby market data

Units sold / yr
3K–4K
avg 0–100/product
Revenue / yr
$200K–$267K
units × avg price
Conversion rate
1.6%
Avg BSR
#2,865
Page quality
0%
Prime
100%
Sponsored
85%
Out of stock
3.2%
Avg brand age
38 months
Avg seller age
177 days

Competition & brand share

Clicks spread well past the top 5 (38% combined) — an open shelf where new products get seen.

Brands

31 falling

Sellers

44

Top-5 brand share

49%

Top 20: 89%

Top-5 click share

38%

Top 20: 72%

Open market

46%

  • CYW15%
  • Vesitim13%
  • BriLove8%
  • Kendra Scott6%
  • FANCIME6%
  • Bestyle6%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +48.4% search growth over the last 90 days.
25K15KHoliday '24Spike '25Prime Day '25Holiday '25Spike '26Prime Day '26SepDecMarJunAugNovMarMay

Peak months: Jul, Dec · busiest ÷ quietest = 2.7×

Top ruby search terms

  • ruby necklace111K/yr
  • ruby necklaces for women79K/yr
  • ruby jewelry for women55K/yr
  • ruby jewelry34K/yr
  • ruby pendant22K/yr
  • ruby heart necklace13K/yr
  • ruby birthstone necklace9K/yr
  • ruby pendant necklace11K/yr
  • genuine ruby jewelry8K/yr
  • gold ruby necklace7K/yr
All search terms

Top ruby 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%4%$16K8%$33K12%$49K16%$66K1101001K10K 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 ruby

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

What buyers love

Gifting Purpose15%

“Birthday Gift”

Value For Money14%

“Good value”

Advertised Vs Actual Product13%

“Just as advertised”

Quality-Overall8%

“I was impressed by the quality of the plating”

Color7%

“pretty”

Size-Overall6%

“it fits beautifully”

Chain/Key Quality5%

“thicker chain so I ordered that”

Material Quality5%

“Stone quality is not bad”

Comfort-Overall4%

“comfortable”

Brightness/Shine/Glow3%

“Sparkly, Dainty, and a Great Value”

What buyers complain about

Size-Overall27%

“just a bit short”

Chain/Key Quality13%

“the Chain broke before I could even put it on”

Quality-Overall10%

“it does look on the cheap side”

Fastener Quality6%

“Clasp is hard to operate”

Stretchability/Expandability/Elasticity6%

“However, it is pretty stiff and has ZERO stretch”

Durability6%

“Broke in 10 minutes”

Precious Gemstone6%

“Ruby fell off as soon as box was opened”

Color6%

“It changes color, dont bother”

Value For Money6%

“a little expensive”

Strength3%

“Flimsy to the core”

Top return reasons

Size-Overall40%
Color24%
Advertised Vs Actual Product6%
Metal Authenticity5%
Quality-Overall5%
Chain/Key Quality5%
Defective Material/Parts2%
Shape/Style2%
Material Quality1%
Durability1%

Common questions

Is ruby profitable to sell on Amazon United States?
The niche generates $412K/yr across 47 tracked products. 2 of 11 products launched in the last 360 days are still selling. 90-day search growth is +48.4%. Flapen's verdict: Worth a look (58/100).
How competitive is the ruby niche?
31 brands and 44 sellers compete. The top 5 products take 38% of clicks and top 5 brands hold 49% of demand.
What do buyers complain about in ruby?
Top complaints mined from reviews: Size-Overall, Chain/Key Quality, Quality-Overall. The return rate is 3.8%.
When does demand for ruby peak?
Demand peaks in Jul–Dec; the busiest month runs 2.7× the quietest.
What does it cost to enter the ruby niche?
Listings span $7.84–$191.89; the average listing price is $66.78 (sweet spot $15–$100). The average incumbent carries 1,358 reviews — the moat a new listing must climb.