---
title: "December Birthstone Jewelry — $13K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/december-birthstone-jewelry"
last_updated: "2026-08-07T20:19:10.008Z"
locale: en
meta:
description: "Niche score 37/100 · $13K/yr market · 72K searches/yr · $21.77 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 37/100 · $13K/yr market · 72K searches/yr · $21.77 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "December Birthstone Jewelry — $13K/yr Amazon US Niche (2026) - Flapen"
---
# **december birthstone jewelry**
**Skip it**
A small market ($13K/yr) — this niche doesn't clear our bar today.
Market size 3Growth 42Conversion 10Competition 23Returns 40Price range 87Avg price 92Brand share 51Review moat 43Quality gap 58
**Avg price**
**Great****$21.77**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$8.38–$78.34**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Good****74%**
top-5 brand share — brands hold most of the demand
**Review moat**
**Okay****2,157.67**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Okay****+13.4%**
90-day search growth — must beat 0% to launch
**Returns**
**Okay****3.8%**
return rate — above 5% kills the launch gate
**Competition**
**Bad****72%**
top-5 click share — a locked-up shelf
**Conversion**
**Bad****0.8%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Bad****$13K**
$13K/yr · 72K searches
**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500")
According to Flapen's Amazon United States niche tracking, december birthstone jewelry is a $13K/yr Amazon United States market (72K searches/yr). The top 5 brands hold 74% of demand. Demand peaks in Nov–Dec. Verdict: Skip it — 37/100.
Data updated Jul 22, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **december birthstone jewelry market data**
- **Units sold / yr**
- **750–1K**
- avg 0–100/product
- **Revenue / yr**
- **$16K–$22K**
- units × avg price
- **Conversion rate**
- **0.8%**
- **Avg BSR**
- **#235**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **73%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **33 months**
- **Avg seller age**
- **191 days**
## **Competition & brand share**
The top 5 products capture 72% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**13 **▼falling
**Sellers**
**21**
**Top-5 brand share**
**74%**
Top 20: 100%
**Top-5 click share**
**72%**
Top 20: 100%
**Open market**
**19%**
- JSJOY29% - Poxtex16% - Pls Back15% - ZKJTEARY7% - RLMOON7% - kate spade new york7%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +13.4% search growth over the last 90 days.
8K6KSpike '24Holiday '24Spike '25Prime Day '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Nov, Dec · busiest ÷ quietest = 14.3×
[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/december-birthstone-jewelry/trend)
## **Top december 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%10%$1K20%$3K30%$4K40%$5K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 15 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**JSJOY Gold Birthstone Bracelets for Women Teens December Birthstone Bracelet for Her Birthday Gifts for Friend Sister Gold Link Friendship Gifts for Women Mom**JSJOY**$13.05**4.3★26 rev](https://www.amazon.com/dp/B0CSFN1Q4D) [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 December(Tanzanite)**Pls Back**$8.88**4.5★658 rev](https://www.amazon.com/dp/B0D9Y4RY84) [3**Silver Blue Earrings for Women Navy December Birthstone Jewerly Set Blue Jacket Huggie Earring Stack for Multiple Piercing**Poxtex**$12.96**4.4★6 rev](https://www.amazon.com/dp/B0DHXX4N6Q) [4**ZKJTEARY Siliver Tennis Bracelets for Women Cubic Zirconia Tennis Bracelets Birthstone Bracelet Jewelry Birthday Valentine Mothers Day Gift for Women Mom Wife Her (December-Tanzanite)**ZKJTEARY**$9.66**4.2★54 rev](https://www.amazon.com/dp/B0F7QJ27H1) [5**kate spade new york My Love Heart Pendant December One Size**kate spade new york**$53.15**4.7★182 rev](https://www.amazon.com/dp/B09NVVH3YS)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Crgwxzl December Birthstone Bracelets for Women Men Healing Crystal Protection Stone Blue Stripe Agate Beads Bracelet String Wrap Zodiac Month Bracelets Birthday Jewelry Gifts**Crgwxzl**$9.58**40 rev11mo ago](https://www.amazon.com/dp/B0FL15N1ZP) [**ZKJTEARY Siliver Tennis Bracelets for Women Cubic Zirconia Tennis Bracelets Birthstone Bracelet Jewelry Birthday Valentine Mothers Day Gift for Women Mom Wife Her (December-Tanzanite)**ZKJTEARY**$9.66**54 rev1y ago](https://www.amazon.com/dp/B0F7QJ27H1) [**RLMOON Gold Birthstone Rings for Women Non Tarnish 14K Gold Plated Stackable Ring Dainty CZ Emerald Green Gemstone Eternity Band Size 7**RLMOON**$9.45**72 rev1y ago](https://www.amazon.com/dp/B0DWMXKV4C) [**Silver Blue Earrings for Women Navy December Birthstone Jewerly Set Blue Jacket Huggie Earring Stack for Multiple Piercing**Poxtex**$12.96**6 rev1y ago](https://www.amazon.com/dp/B0DHXX4N6Q) [**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 December(Tanzanite)**Pls Back**$8.88**658 rev1y ago](https://www.amazon.com/dp/B0D9Y4RY84)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**kate spade new york My Love Heart Pendant December One Size**kate spade new york**$53.15**4.7★**▲ 78%**](https://www.amazon.com/dp/B09NVVH3YS) [**JewelrieShop Lake Blue Studs Earrings for Women CZ Rhinestones Crystal Ball Fake Pearl Stainless Steel Party Stud December Birthstone Earring Set for Women (3 pairs 6mm Round Dec)**JEWELRIESHOP**$8.38**4.2★**▲ 78%**](https://www.amazon.com/dp/B078HPH4PY) [**Gold Blue Earrings for Women Light Blue March Birthstone Earrings Set Huggie Hoop Jacket Earring Stack for Multiple Piercing Trendy Jewelry Gifts**Poxtex**$13.22**4.2★**▲ 67%**](https://www.amazon.com/dp/B0D7QLBTTY) [**RLMOON Gold Birthstone Rings for Women Non Tarnish Gold Stackable Ring Dainty 14K Gold Plated Baguette CZ Blue Gemstone Ring Personalized Jewelry Gift for Birthday Size 7**RLMOON**$9.12**4.3★**▲ 65%**](https://www.amazon.com/dp/B0D3HKS3CP) [**Hidepoo Initial Birthstone Necklaces for Women - Personalized Mothers Day Birthday Gift for Woman Wife Sister Grandma Mom Gifts May Emerald Birthstone Jewelry Disc Letter K Necklace**Hidepoo**$34.58**4.3★**▲ 49%**](https://www.amazon.com/dp/B0BTYW4ZRP)
**~~View all trending →~~**
## **What buyers say about december birthstone jewelry**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Color**19%
*“Fit and color of jewel was accurate and I got so many compliments”*
**Precious Gemstone**15%
*“Stones are beautiful in the ring”*
**Chain/Key Quality**13%
*“Great necklace”*
**Quality-Overall**13%
*“Great product”*
**Gifting Purpose**8%
*“Was a gift for granddaughter”*
**Shape/Style**8%
*“Its very trendy and a simple”*
**Rusts/Corrodes**8%
*“doesnt rust”*
**Size-Overall**4%
*“Fit and color of jewel was accurate and I got so many compliments”*
**Strength**4%
*“Sturdy too”*
**Comfort-Overall**3%
*“Both rings are very comfortable on”*
### **What buyers complain about **
**Size-Overall**42%
*“Runs small”*
**Quality-Overall**25%
*“discusting quality for price almost ripped my ears apart trying to get the cheap backings off”*
**Color**17%
*“This was way more yellow in person”*
**Durability**8%
*“Stones clouded up within two months”*
### **Top return reasons **
**Size-Overall**37%
**Color**28%
**Quality-Overall**7%
**Advertised Vs Actual Product**7%
**Metal Authenticity**4%
**Value For Money**4%
**Chain/Key Quality**3%
**Precious Gemstone**1%
**Thin**1%
**Shape/Style**1%
## **Common questions**
- **Is december birthstone jewelry profitable to sell on Amazon United States?**
- The niche generates $13K/yr across 15 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +13.4%. Flapen's verdict: Skip it (37/100).
- **How competitive is the december birthstone jewelry niche?**
- 13 brands and 21 sellers compete. The top 5 products take 72% of clicks and top 5 brands hold 74% of demand.
- **What do buyers complain about in december birthstone jewelry?**
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Color. The return rate is 3.8%.
- **When does demand for december birthstone jewelry peak?**
- Demand peaks in Nov–Dec; the busiest month runs 14.3× the quietest.
- **What does it cost to enter the december birthstone jewelry niche?**
- Listings span $8.38–$78.34; the average listing price is $21.77 (sweet spot $15–$100). The average incumbent carries 2,158 reviews — the moat a new listing must climb.
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