---
title: "September Birthstone Jewelry — $34K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/september-birthstone-jewelry"
last_updated: "2026-08-10T13:31:05.690Z"
locale: en
meta:
description: "Niche score 46/100 · $34K/yr market · 154K searches/yr · $33.46 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 46/100 · $34K/yr market · 154K searches/yr · $33.46 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "September Birthstone Jewelry — $34K/yr Amazon US Niche (2026) - Flapen"
---
# **september birthstone jewelry**
**Skip it**
Weak search conversion (0.7%) — this niche doesn't clear our bar today.
Market size 9Growth 37Conversion 8Competition 77Returns 22Price range 62Avg price 95Brand share 91Review moat 66Quality gap 48
**Avg price**
**Incredible****$33.46**
avg listing price — sweet spot $15–$100
**Brand share**
**Great****44%**
top-5 brand share — no brand owns this niche
**Competition**
**Great****38%**
top-5 click share — an open shelf
**Review moat**
**Good****860.13**
avg incumbent reviews — the moat a new listing must climb
**Price range**
**Good****$7.32–$144.75**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Growth**
**Okay****+9.2%**
90-day search growth — must beat 0% to launch
**Returns**
**Bad****5.9%**
return rate — above 5% kills the launch gate
**Market size**
**Bad****$34K**
$34K/yr · 154K searches
**Conversion**
**Bad****0.7%**
search→purchase rate — share of searches ending in a sale
**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%") [** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500") [** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%")
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 ~~](https://flapen.com/research/methodology)
## **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.
8K6KSpike '24Holiday '24Spike '25Prime Day '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Sep, Dec · busiest ÷ quietest = 6.1×
[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/september-birthstone-jewelry/trend)
## **Top september birthstone jewelry search terms**
- **september birthstone necklace**39K/yr+13.3%0.6% conv. - **september birthstone**34K/yr+14.4%0.5% conv. - **sapphire jewelry set**15K/yr-7.8%0.3% conv. - **blue diamond necklace**11K/yr-0.9%0.3% conv. - **sapphire pendant necklace**7K/yr+7.2%0.1% conv. - **september birthstone jewelry**18K/yr+15.6%0.6% conv. - **saphire jewelry**5K/yr+28.1%0.3% conv. - **blue sapphire necklace for women**5K/yr+16.0%0.2% conv. - **gold sapphire necklace**6K/yr+5.4%0.2% conv. - **blue saphire necklace for women**6K/yr+0.9%0.4% conv. [**All search terms **](https://flapen.com/research/us/clothing-shoes-jewelry/september-birthstone-jewelry/search-terms)
## **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.
0%3%$1K6%$2K9%$3K12%$4K1101001K10K100K Reviews — right = deep review moatMarket 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.
### **Top sellers**
by 90-day click share
[1**kate spade new york My Love Heart Pendant September One Size**kate spade new york**$53.22**4.7★182 rev](https://www.amazon.com/dp/B09NVVKMWS) [2**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**$8.44**4.5★658 rev](https://www.amazon.com/dp/B0D9Y45CM4) [3**Hidepoo Birthstone Necklaces for Women - Sapphire Birthstone Personalized Gifts for Her Wife Mom Sister September Jewelry for Women Dainty Disc Initial A Necklace**Hidepoo**$31.44**4.2★42 rev](https://www.amazon.com/dp/B0BTYTJFFT) [4**JSJOY September Birthstone Bracelet for Women Sapphire Jewelry Birthday Gifts Dainty Link Sapphire Bracelets for Teens Birthday Gifts for Wife Girlfriend**JSJOY**$12.66**4.3★291 rev](https://www.amazon.com/dp/B0CSFMBDMW) [5**Fezodo Birthstone Necklace for Women 14K Gold Plated Birthstone Pendant Necklaces for Women September Birthday Gifts for Mom Girlfriend Wife(9)**Fezodo**$7.32**4.4★24 rev](https://www.amazon.com/dp/B0FN7PNY81)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**CYW 2 Carat Blue Sapphire Small Gold Round Necklace for Women 925 Sterling Silver Solitaire Pendant Necklace**CYW**$110.66**34 rev3mo ago](https://www.amazon.com/dp/B0GVDLW5Y4) [**Fezodo Birthstone Necklace for Women 14K Gold Plated Birthstone Pendant Necklaces for Women September Birthday Gifts for Mom Girlfriend Wife(9)**Fezodo**$7.32**24 rev11mo ago](https://www.amazon.com/dp/B0FN7PNY81) [**Bestyle Gold Butterfly Necklaces for Women Blue Sapphire Necklace September Birthstone Pendant-Womens Hypoallergic Necklaces Simple Dainty Cute Butterfly Jewelry**Bestyle**$24.18**31 rev1y ago](https://www.amazon.com/dp/B0FH1PS5KX) [**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**$119.73**8 rev1y ago](https://www.amazon.com/dp/B0DZTNFZ2S) [**LMXXVJ Royal Blue Jewelry Set for Women Created Blue Sapphire Necklace Ring Earrings Bracelet Costume Jewelry Set Birthday Mothers Day Gift Platinum Plated**LMXXVJ**$24.29**19 rev1y ago](https://www.amazon.com/dp/B0DJQF1KGT)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**CYW 2 Carat Blue Sapphire Small Gold Round Necklace for Women 925 Sterling Silver Solitaire Pendant Necklace**CYW**$110.66**4.7★**▲ 149%**](https://www.amazon.com/dp/B0GVDLW5Y4) [**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**$119.73**4.5★**▲ 140%**](https://www.amazon.com/dp/B0DZTNFZ2S) [**AILAAILA Birthstone Rings for Kids Girls Birthday Gifts Stainless Steel Jewelry Sapphire Rings for Women Teens Little Girls Mother Daughters September Size 4**AILAAILA**$13.60**4.5★**▲ 121%**](https://www.amazon.com/dp/B08FQSBW17) [**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**$9.33**4.3★**▲ 95%**](https://www.amazon.com/dp/B0CMZT5ZP6) [**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**$12.90**3.9★**▲ 78%**](https://www.amazon.com/dp/B08FGGL8C3)
**~~View all trending →~~**
## **What buyers say about september birthstone jewelry**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Value For Money**16%
*“Worth it”*
**Color**12%
*“Bright color”*
**Quality-Overall**12%
*“Such a beautiful piece”*
**Size-Overall**8%
*“Nice fit”*
**Gifting Purpose**7%
*“Great gift idea for your loved ones”*
**Shape/Style**5%
*“Elegant”*
**Chain/Key Quality**4%
*“She loved the size of the chain and the pendant”*
**Design-Overall**3%
*“Elegant”*
**Comfort-Overall**3%
*“Shoes are Beautiful & Very Comfortable”*
**Advertised Vs Actual Product**3%
*“over all it looks just like the photo and its beautiful”*
### **What buyers complain about **
**Size-Overall**21%
*“very small”*
**Quality-Overall**14%
*“Poor manufacturing”*
**Precious Gemstone**12%
*“Stones not properly secured”*
**Durability**9%
*“Broke before my son could wear it”*
**Color**8%
*“Neck turned green”*
**Adhesion/Stickiness**4%
*“I wish it came with glue”*
**Product Condition**4%
*“I don't feel that I should be given items that are used or returned they should be brand new”*
**Advertised Vs Actual Product**4%
*“Pictures dont do it justice”*
**Material Quality**4%
*“Sadly bad material”*
**Ease Of Use**3%
*“hard to put on a little bit”*
### **Top return reasons **
**Size-Overall**37%
**Color**21%
**Quality-Overall**7%
**Advertised Vs Actual Product**5%
**Metal Authenticity**3%
**Chain/Key Quality**3%
**Wrist Fit**3%
**Shape/Style**3%
**Defective Material/Parts**2%
**Weight Heavy**2%
## **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.
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