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.

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.

Returns

Great1.3%

return rate — above 5% kills the launch gate

Competition

Great38%

top-5 click share — an open shelf

Market size

Great$905K

$905K/yr · 559K searches

Brand share

Good63%

top-5 brand share — brands hold most of the demand

Review moat

Good1,142.42

avg incumbent reviews — the moat a new listing must climb

Avg price

Okay$182.01

avg listing price — sweet spot $15–$100

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Growth

Okay+0.6%

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

Conversion

Bad0.9%

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

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

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

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.

No pronounced peak months · busiest ÷ quietest = 1.4×

Open Trend

Top diamond search terms

diamond295K/yr +2.9%0.2% conv.
diamonds145K/yr -1.0%0.7% conv.
fake diamonds33K/yr -3.8%1.9% conv.
real diamond34K/yr +1.4%0.0% conv.
dimond28K/yr +4.0%0.1% conv.
diamond gems12K/yr -9.4%1.2% conv.
dimonds12K/yr -17.5%0.7% conv.

All 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.

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

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$109.054.5★279 rev

Hicarer 800-Piece Diamond Decorations - Acrylic Diamond Table Scatter Crystals for Vase Fillers Party Decor (Clear 30mm 20mm 12mm 8mm 4mm)

Hicarer$12.794.6★610 rev

20mm (0.8in) Crystal Diamond Collectible Figurines Home Decor Glass Christmas Ornaments Wedding Table Decoration Glass Paperweight Pack of 36 (clear)

QFkris$13.794.8★413 rev

Amazon Essentials IGI Certified 0.5 Carat Solitaire Lab Grown Diamond Pendant Necklace in 14k Yellow Gold - 16 Chain with 2 Extender

Amazon Essentials$315.754.2★109 rev

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$196.544.6★880 rev

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$21.05173 rev

5mo ago

Certified Lab Grown Diamond Stud Earrings 1 CTW 14K Yellow Gold

Diamond Classic Jewelry$303.7026 rev

1y ago

Pmfxinyao 0.2-10 Carats Moissanite Loose Gemstone Round Cut D Color VVS1 Clarity with GRA Certificate. (0.2 Carats)

Pmfxinyao$10.6841 rev

1y ago

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$1747.1210 rev

1y ago

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$196.54880 rev

1y ago

What buyers say about diamond

What buyers praise and complain about, mined from review topics.

What buyers love

Color15%

“Beautiful colors”

Quality-Overall15%

“Amazing quality”

Value For Money11%

“Great value”

Adhesion/Stickiness8%

“The adhesion is amazing”

Brightness/Shine/Glow7%

“Beautiful sparkle”

Ease Of Use6%

“Easy to Use”

Size-Overall6%

“LOVE the bigger size”

Advertised Vs Actual Product5%

“As advertised”

Fun/Entertainment Experience5%

“Wonderful toy”

Gifting Purpose3%

“Will be buying more for gifts for friends”

What buyers complain about

Size-Overall23%

“Too small”

Adhesion/Stickiness14%

“Just don't use the glue”

Smell6%

“they smell like burnt plastic”

Quality-Overall4%

“Poor quality”

Ease Of Use4%

“it is hard to open”

Advertised Vs Actual Product4%

“Not like picture”

Durability3%

“literally falling off”

Color3%

“the colors were completely different”

Brightness/Shine/Glow3%

“Not as shiny as they appear to be”

Value For Money2%

“cheaper”

Top return reasons

Size-Overall55%

Advertised Vs Actual Product9%

Color7%

Adhesion/Stickiness7%

Value For Money4%

Quality-Overall3%

Defective Material/Parts2%

Brightness/Shine/Glow2%

Functionality-Overall1%

Sharpness1%

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.

diamond

diamond market data

Competition & brand share

Demand & seasonality

Top diamond search terms

Top diamond products on Amazon

Top sellers

Newest

Trending

What buyers say about diamond

What buyers love

What buyers complain about

Top return reasons

Common questions

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