---
title: "Diamond — $905K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/diamond"
last_updated: "2026-08-11T20:24:52.511Z"
locale: en
meta:
description: "Niche score 52/100 · $905K/yr market. Prices mostly outside the sweet spot ($6.15–$1799.82) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 52/100 · $905K/yr market. Prices mostly outside the sweet spot ($6.15–$1799.82) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Diamond — $905K/yr Amazon US Niche (2026) - Flapen"
---
# **diamond**
**Worth a look**
Shows low returns (1.3%), but prices mostly outside the sweet spot ($6.15–$1799.82) keeps it on the watch list.
Market size 76Growth 26Conversion 11Competition 77Returns 89Price range 5Avg price 49Brand share 71Review moat 59Quality gap 28
**Returns**
**Great****1.3%**
return rate — above 5% kills the launch gate
**Competition**
**Great****38%**
top-5 click share — an open shelf
**Market size**
**Great****$905K**
$905K/yr · 559K searches
**Brand share**
**Good****63%**
top-5 brand share — brands hold most of the demand
**Review moat**
**Good****1,142.42**
avg incumbent reviews — the moat a new listing must climb
**Avg price**
**Okay****$182.01**
avg listing price — sweet spot $15–$100
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Growth**
**Okay****+0.6%**
90-day search growth — must beat 0% to launch
**Conversion**
**Bad****0.9%**
search→purchase rate — share of searches ending in a sale
**Price range**
**Bad****$6.15–$1799.82**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Signals**[** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
According to Flapen's Amazon United States niche tracking, diamond is a $905K/yr Amazon United States market (559K searches/yr). The top 5 brands hold 63% of demand. Verdict: Worth a look — 52/100.
Data updated Jul 22, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **diamond market data**
- **Units sold / yr**
- **8K–10K**
- avg 250–500/product
- **Revenue / yr**
- **$1.5M–$1.8M**
- units × avg price
- **Conversion rate**
- **0.9%**
- **Avg BSR**
- **#2,307**
- **Page quality**
- **0%**
- **Prime**
- **95%**
- **Sponsored**
- **98%**
- **Out of stock**
- **1.4%**
- **Avg brand age**
- **39 months**
- **Avg seller age**
- **168 days**
## **Competition & brand share**
Clicks spread well past the top 5 (38% combined) — an open shelf where new products get seen.
**Brands**
**24 **▲rising
**Sellers**
**30**
**Top-5 brand share**
**63%**
Top 20: 97%
**Top-5 click share**
**38%**
Top 20: 78%
**Open market**
**32%**
- Amazon Essentials28% - GILDED12% - Hicarer11% - QFkris7% - TINKRSTUFF6% - The Diamond Channel6%
## **Demand & seasonality**
Weekly Amazon search volume, last 85 weeks — +0.6% search growth over the last 90 days.
18K13KPrime Day '25Black Friday '25 seasonDecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun
No pronounced peak months · busiest ÷ quietest = 1.4×
[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/diamond/trend)
## **Top diamond search terms**
- **diamond**295K/yr+2.9%0.2% conv. - **diamonds**145K/yr-1.0%0.7% conv. - **fake diamonds**33K/yr-3.8%1.9% conv. - **real diamond**34K/yr+1.4%0.0% conv. - **dimond**28K/yr+4.0%0.1% conv. - **diamond gems**12K/yr-9.4%1.2% conv. - **dimonds**12K/yr-17.5%0.7% conv. [**All search terms **](https://flapen.com/research/us/clothing-shoes-jewelry/diamond/search-terms)
## **Top diamond 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%$27K6%$54K9%$81K12%$109K101001K10K100K 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**Amazon Essentials 0.25 to 1 Carat IGI Certified Solitaire Lab Grown Diamond Stud 14k Gold 4 Prong Round Cut Earrings (G-H Color VS1-VS2 Clarity)**Amazon Essentials**$109.05**4.5★279 rev](https://www.amazon.com/dp/B0DG93546B) [2**Hicarer 800-Piece Diamond Decorations - Acrylic Diamond Table Scatter Crystals for Vase Fillers Party Decor (Clear 30mm 20mm 12mm 8mm 4mm)**Hicarer**$12.79**4.6★610 rev](https://www.amazon.com/dp/B09B28FN6G) [3**20mm (0.8in) Crystal Diamond Collectible Figurines Home Decor Glass Christmas Ornaments Wedding Table Decoration Glass Paperweight Pack of 36 (clear)**QFkris**$13.79**4.8★413 rev](https://www.amazon.com/dp/B088GZ9GHX) [4**Amazon Essentials IGI Certified 0.5 Carat Solitaire Lab Grown Diamond Pendant Necklace in 14k Yellow Gold - 16 Chain with 2 Extender**Amazon Essentials**$315.75**4.2★109 rev](https://www.amazon.com/dp/B0DG8ZRYGD) [5**Gilded 1 Carat Total Weight Lab-Grown Diamond Stud Earrings for Women| 925 Sterling Silver Studs | Hypoallergenic Fine Jewelry | 4-Prong Basket Push Back Nut | SI1 Clarity F Color Round Cut**GILDED**$196.54**4.6★880 rev](https://www.amazon.com/dp/B0DZBGHYN3)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Moissanite Stud Earrings 18K White Gold Plated Hypoallergenic Stud Earrings for Women Men 1.0CT*2 Round Moissanite Earrings Lab Created Diamond Stud Earrings D Color VVS1**JDNIONSIGN**$21.05**173 rev5mo ago](https://www.amazon.com/dp/B0GL5CPF5K) [**Certified Lab Grown Diamond Stud Earrings 1 CTW 14K Yellow Gold**Diamond Classic Jewelry**$303.70**26 rev1y ago](https://www.amazon.com/dp/B0F4YM3CB3) [**Pmfxinyao 0.2-10 Carats Moissanite Loose Gemstone Round Cut D Color VVS1 Clarity with GRA Certificate. (0.2 Carats)**Pmfxinyao**$10.68**41 rev1y ago](https://www.amazon.com/dp/B0F9Z59BM1) [**14K White Gold Tennis Bracelet With 4 Carat Lab Grown Diamond 7 Inches Length IGI Certified Classic Diamond Tennis Bracelet 4 Prong (E-F Color VVS-VS) Tennis Bracelet For Women Fine Jewelry**GLAM AND GEMS**$1747.12**10 rev1y ago](https://www.amazon.com/dp/B0F6D9998F) [**Gilded 1 Carat Total Weight Lab-Grown Diamond Stud Earrings for Women| 925 Sterling Silver Studs | Hypoallergenic Fine Jewelry | 4-Prong Basket Push Back Nut | SI1 Clarity F Color Round Cut**GILDED**$196.54**880 rev1y ago](https://www.amazon.com/dp/B0DZBGHYN3)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Privosa - 0.25 Carat Lab Grown Diamond Stud Earrings in 14K White Gold**Privosa Fine Jewelry**$217.21**4.5★**▲ 92%**](https://www.amazon.com/dp/B0DKVDSZC9) [**Moissanite Stud Earrings 18K White Gold Plated Hypoallergenic Stud Earrings for Women Men 1.0CT*2 Round Moissanite Earrings Lab Created Diamond Stud Earrings D Color VVS1**JDNIONSIGN**$21.05**4.6★**▲ 91%**](https://www.amazon.com/dp/B0GL5CPF5K) [**Certified Lab Grown Diamond Stud Earrings 1 CTW 14K Yellow Gold**Diamond Classic Jewelry**$303.70**4.9★**▲ 89%**](https://www.amazon.com/dp/B0F4YM3CB3) [**Gilded 1 Carat Total Weight Lab-Grown Diamond Stud Earrings for Women| 925 Sterling Silver Studs | Hypoallergenic Fine Jewelry | 4-Prong Basket Push Back Nut | SI1 Clarity F Color Round Cut**GILDED**$196.54**4.6★**▲ 89%**](https://www.amazon.com/dp/B0DZBGHYN3) [**Gilded 1/2 Carat Total Weight Lab-Grown Diamond 14KT Gold Plated Silver Stud Earrings for Women| Hypoallergenic Fine Jewelry | 4-Prong Basket Push Back nut | SI1 Clarity F Color Round Cut**GILDED**$102.85**4.6★**▲ 87%**](https://www.amazon.com/dp/B0DSGGTFNL)
**~~View all trending →~~**
## **What buyers say about diamond**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Color**15%
*“Beautiful colors”*
**Quality-Overall**15%
*“Amazing quality”*
**Value For Money**11%
*“Great value”*
**Adhesion/Stickiness**8%
*“The adhesion is amazing”*
**Brightness/Shine/Glow**7%
*“Beautiful sparkle”*
**Ease Of Use**6%
*“Easy to Use”*
**Size-Overall**6%
*“LOVE the bigger size”*
**Advertised Vs Actual Product**5%
*“As advertised”*
**Fun/Entertainment Experience**5%
*“Wonderful toy”*
**Gifting Purpose**3%
*“Will be buying more for gifts for friends”*
### **What buyers complain about **
**Size-Overall**23%
*“Too small”*
**Adhesion/Stickiness**14%
*“Just don't use the glue”*
**Smell**6%
*“they smell like burnt plastic”*
**Quality-Overall**4%
*“Poor quality”*
**Ease Of Use**4%
*“it is hard to open”*
**Advertised Vs Actual Product**4%
*“Not like picture”*
**Durability**3%
*“literally falling off”*
**Color**3%
*“the colors were completely different”*
**Brightness/Shine/Glow**3%
*“Not as shiny as they appear to be”*
**Value For Money**2%
*“cheaper”*
### **Top return reasons **
**Size-Overall**55%
**Advertised Vs Actual Product**9%
**Color**7%
**Adhesion/Stickiness**7%
**Value For Money**4%
**Quality-Overall**3%
**Defective Material/Parts**2%
**Brightness/Shine/Glow**2%
**Functionality-Overall**1%
**Sharpness**1%
## **Common questions**
- **Is diamond profitable to sell on Amazon United States?**
- The niche generates $905K/yr across 43 tracked products. 2 of 3 products launched in the last 360 days are still selling. 90-day search growth is +0.6%. Flapen's verdict: Worth a look (52/100).
- **How competitive is the diamond niche?**
- 24 brands and 30 sellers compete. The top 5 products take 38% of clicks and top 5 brands hold 63% of demand.
- **What do buyers complain about in diamond?**
- Top complaints mined from reviews: Size-Overall, Adhesion/Stickiness, Smell. The return rate is 1.3%.
- **When does demand for diamond peak?**
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- **What does it cost to enter the diamond niche?**
- Listings span $6.15–$1799.82; the average listing price is $182.01 (sweet spot $15–$100). The average incumbent carries 1,142 reviews — the moat a new listing must climb.
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