september birthstone jewelry
Skip itWeak search conversion (0.7%) — this niche doesn't clear our bar today.
Avg price
Incredible$33.46avg listing price — sweet spot $15–$100
Brand share
Great44%top-5 brand share — no brand owns this niche
Competition
Great38%top-5 click share — an open shelf
Review moat
Good860.13avg incumbent reviews — the moat a new listing must climb
Price range
Good$7.32–$144.75cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Growth
Okay+9.2%90-day search growth — must beat 0% to launch
Returns
Bad5.9%return rate — above 5% kills the launch gate
Market size
Bad$34K$34K/yr · 154K searches
Conversion
Bad0.7%search→purchase rate — share of searches ending in a sale
According to Flapen's Amazon United States niche tracking, september birthstone jewelry is a $34K/yr Amazon United States market (154K searches/yr). The top 5 brands hold 44% of demand. Demand peaks in Sep–Dec. Verdict: Skip it — 46/100.
Data updated Jul 22, 2026 · scored weekly · How we score niches
september birthstone jewelry market data
- Units sold / yr
- 2K–3K
- avg 0–100/product
- Revenue / yr
- $67K–$84K
- units × avg price
- Conversion rate
- 0.7%
- Avg BSR
- #1,454
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 71%
- Out of stock
- 2.8%
- Avg brand age
- 41 months
- Avg seller age
- 191 days
Competition & brand share
Clicks spread well past the top 5 (38% combined) — an open shelf where new products get seen.Brands
47 falling
Sellers
52
Top-5 brand share
44%
Top 20: 77%
Top-5 click share
38%
Top 20: 69%
Open market
52%
- Hidepoo11%
- kate spade new york11%
- Pls Back10%
- JSJOY6%
- LMXXVJ6%
- Fezodo4%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +9.2% search growth over the last 90 days.Peak months: Sep, Dec · busiest ÷ quietest = 6.1×
Top september birthstone jewelry search terms
- september birthstone necklace39K/yr
- september birthstone34K/yr
- sapphire jewelry set15K/yr
- blue diamond necklace11K/yr
- sapphire pendant necklace7K/yr
- september birthstone jewelry18K/yr
- saphire jewelry5K/yr
- blue sapphire necklace for women5K/yr
- gold sapphire necklace6K/yr
- blue saphire necklace for women6K/yr
Top september birthstone jewelry 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
kate spade new york My Love Heart Pendant September One Size
kate spade new york$53.224.7★182 rev
Pls Back Dainty Gold Charm Necklaces for Women Non Tarnish 14K Trendy Blue Green Cubic Zirconia Emerald Pendant Birthstone Necklaces Birthday Gifts for Women Waterproof Jewelry September(Sapphire)
Pls Back$8.444.5★658 rev
Hidepoo Birthstone Necklaces for Women - Sapphire Birthstone Personalized Gifts for Her Wife Mom Sister September Jewelry for Women Dainty Disc Initial A Necklace
Hidepoo$31.444.2★42 rev
JSJOY September Birthstone Bracelet for Women Sapphire Jewelry Birthday Gifts Dainty Link Sapphire Bracelets for Teens Birthday Gifts for Wife Girlfriend
JSJOY$12.664.3★291 rev
Fezodo Birthstone Necklace for Women 14K Gold Plated Birthstone Pendant Necklaces for Women September Birthday Gifts for Mom Girlfriend Wife(9)
Fezodo$7.324.4★24 rev
Newest
by launch date
CYW 2 Carat Blue Sapphire Small Gold Round Necklace for Women 925 Sterling Silver Solitaire Pendant Necklace
CYW$110.6634 rev
Fezodo Birthstone Necklace for Women 14K Gold Plated Birthstone Pendant Necklaces for Women September Birthday Gifts for Mom Girlfriend Wife(9)
Fezodo$7.3224 rev
Bestyle Gold Butterfly Necklaces for Women Blue Sapphire Necklace September Birthstone Pendant-Womens Hypoallergic Necklaces Simple Dainty Cute Butterfly Jewelry
Bestyle$24.1831 rev
Rosec Jewels Certified 9 Carat Lab Grown Blue Sapphire Teardrop Necklace With Silver Chain Aaaa Quality Sapphire Statement Necklace 925 Sterling Silver With Chain
Rosec Jewels$119.738 rev
LMXXVJ Royal Blue Jewelry Set for Women Created Blue Sapphire Necklace Ring Earrings Bracelet Costume Jewelry Set Birthday Mothers Day Gift Platinum Plated
LMXXVJ$24.2919 rev
Trending
90-day click momentumCYW 2 Carat Blue Sapphire Small Gold Round Necklace for Women 925 Sterling Silver Solitaire Pendant Necklace
CYW$110.664.7★
Rosec Jewels Certified 9 Carat Lab Grown Blue Sapphire Teardrop Necklace With Silver Chain Aaaa Quality Sapphire Statement Necklace 925 Sterling Silver With Chain
Rosec Jewels$119.734.5★
AILAAILA Birthstone Rings for Kids Girls Birthday Gifts Stainless Steel Jewelry Sapphire Rings for Women Teens Little Girls Mother Daughters September Size 4
AILAAILA$13.604.5★
ZQGOFPT Titanium Flat Back Surgical Stainless Steel Stud Earrings for Women Men Birthstone Stud Earrings Hypoallergenic Double Side 5A Cubic Zirconia Studs Jewelry 6mm (September(Sapphire))
ZQGOFPT$9.334.3★
HH BLING EMPIRE Iced Out Diamond Cuban Link Chain for Men Women Silver Gold Miami Cuban Necklaces Hip Hop 16-30 Inches (Necklace A-Blue 18)
HH BLING EMPIRE$12.903.9★
What buyers say about september birthstone jewelry
What buyers praise and complain about, mined from review topics.What buyers love
“Worth it”
“Bright color”
“Such a beautiful piece”
“Nice fit”
“Great gift idea for your loved ones”
“Elegant”
“She loved the size of the chain and the pendant”
“Elegant”
“Shoes are Beautiful & Very Comfortable”
“over all it looks just like the photo and its beautiful”
What buyers complain about
“very small”
“Poor manufacturing”
“Stones not properly secured”
“Broke before my son could wear it”
“Neck turned green”
“I wish it came with glue”
“I don't feel that I should be given items that are used or returned they should be brand new”
“Pictures dont do it justice”
“Sadly bad material”
“hard to put on a little bit”
Top return reasons
Common questions
- Is september birthstone jewelry profitable to sell on Amazon United States?
- The niche generates $34K/yr across 56 tracked products. 0 of 6 products launched in the last 360 days are still selling. 90-day search growth is +9.2%. Flapen's verdict: Skip it (46/100).
- How competitive is the september birthstone jewelry niche?
- 47 brands and 52 sellers compete. The top 5 products take 38% of clicks and top 5 brands hold 44% of demand.
- What do buyers complain about in september birthstone jewelry?
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Precious Gemstone. The return rate is 5.9% — above our launch gate.
- When does demand for september birthstone jewelry peak?
- Demand peaks in Sep–Dec; the busiest month runs 6.1× the quietest.
- What does it cost to enter the september birthstone jewelry niche?
- Listings span $7.32–$144.75; the average listing price is $33.46 (sweet spot $15–$100). The average incumbent carries 860 reviews — the moat a new listing must climb.