diamond necklace
Skip itA small market ($33K/yr) — this niche doesn't clear our bar today.
Avg price
Incredible£42.27avg listing price — sweet spot $15–$100
Review moat
Good620.5avg incumbent reviews — the moat a new listing must climb
Competition
Good45%top-5 click share — leaders hold, buyers still browse
Price range
Good£7.01–£142.28cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Returns
Good2.8%return rate — above 5% kills the launch gate
Brand share
Okay75%top-5 brand share — brands hold most of the demand
Growth
Bad-4.9%90-day search growth — must beat 0% to launch
Conversion
Bad1.0%search→purchase rate — share of searches ending in a sale
Market size
Bad£33K£33K/yr · 79K searches
According to Flapen's Amazon United Kingdom niche tracking, diamond necklace is a £33K/yr Amazon United Kingdom market (79K searches/yr). The top 5 brands hold 75% of demand. Demand peaks in Aug–Sep–Oct–Nov–Dec. Verdict: Skip it — 44/100.
Data updated Jul 23, 2026 · scored weekly · How we score niches
diamond necklace market data
- Units sold / yr
- 500–750
- avg 0–100/product
- Revenue / yr
- £21K–£32K
- units × avg price
- Conversion rate
- 1.0%
- Avg BSR
- #1,856
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 95%
- Out of stock
- 6.5%
- Avg brand age
- 39 months
- Avg seller age
- 182 days
Competition & brand share
The top 5 products take 45% of clicks — established leaders, but buyers still shop beyond them.Brands
18 falling
Sellers
41
Top-5 brand share
75%
Top 20: 100%
Top-5 click share
45%
Top 20: 80%
Open market
19%
- MomentWish21%
- JewelryPalace17%
- KRKC14%
- YIMERAIRE14%
- Swarovski8%
- Avotto6%
Demand & seasonality
Weekly Amazon search volume, last 81 weeks — -4.9% search growth over the last 90 days.Peak months: Aug, Sep, Oct, Nov, Dec · busiest ÷ quietest = 7.9×
Top diamond necklace search terms
- diamond necklace24K/yr
- diamond necklace for women24K/yr
- cubic zirconia necklace12K/yr
- moissanite necklace10K/yr
- diamond pendant4K/yr
- diamond jewellery5K/yr
Top diamond 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
MomentWish Womens Necklaces Heart 1 Carat Moissanite Necklace For Women Pendant Silver 925 Wife Mum Birthday Anniversary Jewellery Gifts
MomentWish£82.344.5★457 rev
YIMERAIRE 2.0CTTW Moissanite Necklace 925 Sterling Silver Diamond Necklace for Women 15MM Ladies Solitaire Moissanite Pendant Birthday Mothers Day Gifts for women
YIMERAIRE£42.584.6★148 rev
JewelryPalace Round 9mm 3ct Moissanite Solitaire Pendant Necklace for Women Classic Simulated Diamond 925 Sterling Silver 14k White Gold Plated Necklaces for Her VVS D-F 18 Inch Box chain
JewelryPalace£32.584.4★190 rev
Swarovski Angelic necklace Round cut White Rhodium plated
Swarovski£106.174.3★3,185 rev
KRKC Moissanite Necklace for Women 0.5-3CT Lab-Grown Diamond Solitaire Pendant Necklace White Gold S925 Silver Necklace Gift for Her Girlfriend Wife Mom (Square Prong-14k Gold 8mm-2CT)
KRKC£82.514.7★29 rev
Newest
by launch date
Maynor Birthstone Necklace for Women 925 Sterling Silver Necklace with Clear CZ Apr Cubic Zirconia Pendant Adjustable Silver Chain Personalised Choker Jewellery Birthday Gift for Women & Girls
Maynor£8.16104 rev
MomentWish Necklaces for Women 0.3 Carat Moissanite Solitaire Pendant Sterling Silver 14K White Gold Plated Diamond Necklace Jewelry Gift Christmas for Wife Girlfriend
MomentWish£49.2492 rev
MomentWish Necklaces for Women 1 Carat Moissanite Solitaire Pendant Sterling Silver 14K White Gold Plated Diamond Necklace Jewelry Gift Christmas for Wife Girlfriend
MomentWish£83.6892 rev
Avotto S925 2mm Silver Chains for Women Diamond Silver Chain Necklace for Women Jewellry Gifts
Avotto£9.08336 rev
Avotto Silver Necklace S925 Sterling Silver Chains for Women Hypoallergenic Silver Chain Necklace for Women 20 Inch
Avotto£8.64336 rev
Trending
90-day click momentumAvotto Silver Necklace S925 Sterling Silver Chains for Women Hypoallergenic Silver Chain Necklace for Women 20 Inch
Avotto£8.644.3★
KRKC Moissanite Necklace for Women 0.5-3CT Lab-Grown Diamond Solitaire Pendant Necklace White Gold S925 Silver Necklace Gift for Her Girlfriend Wife Mom (Square Prong-14k Gold 6.5mm-1CT)
KRKC£71.704.7★
Swarovski Una Angelic Tennis necklace Round cut White Gold-tone plated
Swarovski£109.184.3★
KRKC Moissanite Necklace for Women 0.5-3CT Lab-Grown Diamond Solitaire Pendant Necklace White Gold S925 Silver Necklace Gift for Her Girlfriend Wife Mom (Square Prong-14k Gold 8mm-2CT)
KRKC£82.514.7★
MomentWish Necklaces for Women 1 Carat Moissanite Solitaire Pendant Sterling Silver 14K White Gold Plated Diamond Necklace Jewelry Gift Christmas for Wife Girlfriend
MomentWish£83.684.3★
What buyers say about diamond necklace
What buyers praise and complain about, mined from review topics.What buyers love
“The silver chain came quickly”
“Excellent value for money”
“Pretty and shiny”
“Nice quality, sparkly stone”
“Perfect size”
“Very happy as I got what I was expecting, accurate description”
“Looks good & sparkling”
“seems strong too”
“Lovely looking”
“It would make a very acceptable gift”
What buyers complain about
“Really cheap”
“would never show this color when scratched its always grayish-white”
“Broke the first time I wore it”
“Chain very dark”
“Wrong size”
“Not worth the money paid”
“But not sure why it gave me a rash as its silver”
“Neckless”
“Not what it shows on picture”
“Very flimsy, no proper clasp to hold it up, not durable or wearable unless you want to lose it”
Top return reasons
Common questions
- Is diamond necklace profitable to sell on Amazon United Kingdom?
- The niche generates £33K/yr across 42 tracked products. 1 of 7 products launched in the last 360 days are still selling. 90-day search growth is -4.9%. Flapen's verdict: Skip it (44/100).
- How competitive is the diamond necklace niche?
- 18 brands and 41 sellers compete. The top 5 products take 45% of clicks and top 5 brands hold 75% of demand.
- What do buyers complain about in diamond necklace?
- Top complaints mined from reviews: Quality-Overall, Color, Durability. The return rate is 2.8%.
- When does demand for diamond necklace peak?
- Demand peaks in Aug–Sep–Oct–Nov–Dec; the busiest month runs 7.9× the quietest.
- What does it cost to enter the diamond necklace niche?
- Listings span £7.01–£142.28; the average listing price is £42.27 (sweet spot $15–$100). The average incumbent carries 621 reviews — the moat a new listing must climb.