---
title: "Reviews — december birthstone rings - Flapen"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/december-birthstone-rings/reviews"
last_updated: "2026-08-10T11:19:22.766Z"
locale: en
meta:
  description: "Niche score 48/100 · $24K/yr market · 548K searches/yr · $19.83 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 48/100 · $24K/yr market · 548K searches/yr · $19.83 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Reviews — december birthstone rings - Flapen"
---

# **december birthstone rings**

**Skip it**

Weak search conversion (0.2%) — this niche doesn't clear our bar today.

Market size 6Growth 16Conversion 3Competition 96Returns 18Price range 75Avg price 87Brand share 82Review moat 77Quality gap 80

**Competition**

**Incredible****16%**

top-5 click share — an open shelf

**Avg price**

**Great****$19.83**

avg listing price — sweet spot $15–$100

**Brand share**

**Great****53%**

top-5 brand share — no brand owns this niche

**Quality gap**

**Great****4.2★**

avg incumbent rating — lower means beatable quality

**Review moat**

**Great****457.58**

avg incumbent reviews — the moat a new listing must climb

**Price range**

**Great****$6.55–$118.97**

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

**Returns**

**Bad****7.1%**

return rate — above 5% kills the launch gate

**Growth**

**Bad****-17.7%**

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

**Market size**

**Bad****$24K**

$24K/yr · 548K searches

**Conversion**

**Bad****0.2%**

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%") [** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%")

## Reviews