ruby
Worth a lookShows a sweet-spot price point ($66.78 avg), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Avg price
Great$66.78avg 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
Good1,358.3avg incumbent reviews — the moat a new listing must climb
Price range
Okay$7.84–$191.89cheapest 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.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
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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Vesitim Butterfly Necklaces for Women Sterling Silver Infinity Heart Pendant Created Ruby Jewelry Gift
Vesitim$67.634.6★161 rev

CYW 2 Carat Red Ruby Small Heart Necklace for Women 925 Sterling Silver Solitaire Pendant Necklace
CYW$105.594.7★34 rev

Kendra Scott Davie Pendant Necklace in 18K Gold Vermeil Demi-Fine Jewelry for Women Pink Ruby
Kendra Scott$112.964.0★154 rev

BriLove Wedding Bridal Jewelry for Women Multi Teardrop Cluster Crystal Statement Necklace Dangle Earrings Link Bracelet Set Ruby Color
BriLove$23.004.5★721 rev

JSJOY Dainty Birthstone Bracelets for Teens July Birthstone Bracelet for Women Ruby Bracelet Birthday Gifts for Mom Wife Birth Stone Jewelry July Birthday Gifts from Daughter
JSJOY$12.204.3★291 rev
Newest
by launch date
7 Stone Gold Moissanite Ruby Bands Rings for Women Sterling Silver Bling Diamond Red Eternity Wedding Ring Size 8
FWM$84.115 rev

CYW 2 Carat Red Ruby Small Heart Necklace for Women 925 Sterling Silver Solitaire Pendant Necklace
CYW$105.5934 rev

CYW 2 Carat Red Ruby Small Gold Heart Necklace for Women 925 Sterling Silver Solitaire Pendant Necklace
CYW$114.4034 rev

CYW 2 Carat Red Ruby Small Gold Round Necklace for Women 925 Sterling Silver Solitaire Pendant Necklace
CYW$113.1434 rev

WomenGifts July Created Ruby (Crimson Red) Layered Necklace Set 14K Gold Plated Birthstone Pendant with Choker Cuban Link & Satellite Chain Personalized Jewelry Gift
WomenGifts$14.331,066 rev
Trending
90-day click momentum
CYW 2 Carat Red Ruby Small Gold Heart Necklace for Women 925 Sterling Silver Solitaire Pendant Necklace
CYW$114.404.7★

CYW 2 Carat Red Ruby Small Heart Necklace for Women 925 Sterling Silver Solitaire Pendant Necklace
CYW$105.594.7★

7 Stone Gold Moissanite Ruby Bands Rings for Women Sterling Silver Bling Diamond Red Eternity Wedding Ring Size 8
FWM$84.114.7★

CYW 2 Carat Red Ruby Small Gold Round Necklace for Women 925 Sterling Silver Solitaire Pendant Necklace
CYW$113.144.7★

Yaresul 1.25ct Ruby Ring for Women Garnet 14K Gold Plated 925 Sterling Silver Red Heart Ring for Women Promise Ring for Her July Birthstone Jewelry Token of Love Gifts Size 7
Yaresul$22.574.6★
What buyers say about ruby
What buyers praise and complain about, mined from review topics.What buyers love
“Birthday Gift”
“Good value”
“Just as advertised”
“I was impressed by the quality of the plating”
“pretty”
“it fits beautifully”
“thicker chain so I ordered that”
“Stone quality is not bad”
“comfortable”
“Sparkly, Dainty, and a Great Value”
What buyers complain about
“just a bit short”
“the Chain broke before I could even put it on”
“it does look on the cheap side”
“Clasp is hard to operate”
“However, it is pretty stiff and has ZERO stretch”
“Broke in 10 minutes”
“Ruby fell off as soon as box was opened”
“It changes color, dont bother”
“a little expensive”
“Flimsy to the core”
Top return reasons
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.