diamond heart necklace
Skip itWeak search conversion (0.4%) — this niche doesn't clear our bar today.
Review moat
Incredible99.33avg incumbent reviews — the moat a new listing must climb
Competition
Good46%top-5 click share — leaders hold, buyers still browse
Brand share
Good67%top-5 brand share — brands hold most of the demand
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Avg price
Okay$210.19avg listing price — sweet spot $15–$100
Returns
Okay4.0%return rate — above 5% kills the launch gate
Market size
Bad$59K$59K/yr · 80K searches
Growth
Bad-24.4%90-day search growth — must beat 0% to launch
Price range
Bad$9.79–$1174.46cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Bad0.4%search→purchase rate — share of searches ending in a sale
According to Flapen's Amazon United States niche tracking, diamond heart necklace is a $59K/yr Amazon United States market (80K searches/yr). The top 5 brands hold 67% of demand. Demand peaks in Feb–Dec. Verdict: Skip it — 37/100.
Data updated Jul 22, 2026 · scored weekly · How we score niches
diamond heart necklace market data
- Units sold / yr
- 250–500
- avg 0–100/product
- Revenue / yr
- $53K–$105K
- units × avg price
- Conversion rate
- 0.4%
- Avg BSR
- #29,626
- Page quality
- 0%
- Prime
- 87%
- Sponsored
- 87%
- Out of stock
- 5.8%
- Avg brand age
- 36 months
- Avg seller age
- 197 days
Competition & brand share
The top 5 products take 46% of clicks — established leaders, but buyers still shop beyond them.Brands
21 falling
Sellers
25
Top-5 brand share
67%
Top 20: 99%
Top-5 click share
46%
Top 20: 87%
Open market
29%
- Diamond Classic Jewelry23%
- MORGAN & PAIGE19%
- fasone11%
- kate spade new york9%
- Privosa Fine Jewelry6%
- HH BLING EMPIRE5%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -24.4% search growth over the last 90 days.Peak months: Feb, Dec · busiest ÷ quietest = 2.5×
Top diamond heart necklace search terms
- diamond heart necklace39K/yr
- heart diamond necklace19K/yr
- diamond heart necklaces for women15K/yr
- diamond heart pendant8K/yr
Top diamond heart necklace 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
MORGAN & PAIGE Bronze 18k Yellow Gold Plated Diamond Accent Open Heart Tennis Bracelets for Women Trendy - Charm Womens Bracelets with Diamond Accent S-Link Chain 7.25 inch
MORGAN & PAIGE$25.904.5★393 rev
IGI Certified Lab Grown Diamond Heart Necklace
Diamond Classic Jewelry$158.835.0★1 rev
IGI Certified Lab Grown Diamond Heart Necklace
Diamond Classic Jewelry$93.874.0★1 rev
kate spade new york Time To Shine Pave Diamond Pendant Gold
kate spade new york$217.605.0★1 rev
PRIVOSA 2 Carat Diamond Heart Pendant Necklace in 14K White Gold - Lab Grown E-F VS1 Cut for Women
Privosa Fine Jewelry$1174.465.0★1 rev
Newest
by launch date
GILDED Itsy Bitsy Sterling Silver Open Heart Diamond Pendant Necklace 0.10 Cttw SI1 F-Color Lab grown diamond 18 Chain with Spring-Ring Lock
GILDED$39.565 rev
KYNOX 14K Gold Plated Necklace Gold Necklaces for Women Diamond Pendant Dainty Choker Layered Necklaces for Women Jewelry Set Gifts for Women Trendy Sister Mom Wife Womens Her Friend Party Valentines Day Gifts
KYNOX$10.009 rev
SWEETASK Heart Necklaces for Women Dainty 14k Gold Plated Non Tarnish Cz Diamond Pendant Necklace Cute Simple Small Pave Heart Chocker Necklace for Women Gift 14 16 18inch
SWEETASK$9.7948 rev
La Joya Silver Heart Necklace | 1/4 CT Lab Created Diamond Necklace for Women | Genuine 10K White Gold Plated Sterling Silver | Ideal Gift for Wife or Daughter
La Joya$92.745 rev
fasone Rhinestone Hearts Necklace Iced Out Hearts JewelrySilver Tennis Necklace For WomenTennis Necklaces For Women Heart Tennis Necklace (White_15.7inch/7inch)
fasone$25.46264 rev
Trending
90-day click momentumfasone Rhinestone Hearts Necklace Iced Out Hearts JewelrySilver Tennis Necklace For WomenTennis Necklaces For Women Heart Tennis Necklace (White_15.7inch/7inch)
fasone$25.464.5★
IGI Certified Lab Grown Diamond Heart Necklace
Diamond Classic Jewelry$158.835.0★
fasone Rhinestone Hearts Necklace Iced Out Hearts JewelrySilver Tennis Necklace For WomenTennis Necklaces For Women Heart Tennis Necklace (White_15.7inch/8inch)
fasone$25.494.5★
14k Yellow Gold Diamond Double Open Heart Necklace 16
Claddagh Gold$935.924.5★
IGI Certified Lab Grown Diamond Heart Necklace
Diamond Classic Jewelry$93.874.0★
What buyers say about diamond heart necklace
What buyers praise and complain about, mined from review topics.What buyers love
“Very cute good quality its definitely thicker then I thought”
“Its worth the money”
“Exceeded my expectations”
“Good color”
“given as gift”
“Lovely color and perfect shine”
“the necklace doesnt feel heavy or bulky”
“* Versatility: Ive worn this with a simple t-shirt and jeans, as well as a formal dress, and it complements both styles perfectly”
“Perfect Match”
“It has a delicate, simple, and very elegant design”
What buyers complain about
“they probably wouldn't fit right”
“it broke easily”
“it looks far more expensive than it actually is”
“I havr real diamonds that are not D flawless”
“Not brassy”
“Very cheaply made”
Top return reasons
Common questions
- Is diamond heart necklace profitable to sell on Amazon United States?
- The niche generates $59K/yr across 30 tracked products. 0 of 12 products launched in the last 360 days are still selling. 90-day search growth is -24.4%. Flapen's verdict: Skip it (37/100).
- How competitive is the diamond heart necklace niche?
- 21 brands and 25 sellers compete. The top 5 products take 46% of clicks and top 5 brands hold 67% of demand.
- What do buyers complain about in diamond heart necklace?
- Top complaints mined from reviews: Size-Overall, Durability, Value For Money. The return rate is 4.0%.
- When does demand for diamond heart necklace peak?
- Demand peaks in Feb–Dec; the busiest month runs 2.5× the quietest.
- What does it cost to enter the diamond heart necklace niche?
- Listings span $9.79–$1174.46; the average listing price is $210.19 (sweet spot $15–$100). The average incumbent carries 99 reviews — the moat a new listing must climb.