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Carat Hunter · Where to buy diamonds

Where to buy a 1.5ct lab-grown heart diamond

Every retailer in our index stocking this size and shape, 50 of them, across 42,410 live listings.

Updated September 14, 2026 · Independent. Zero affiliate revenue.

The market at this size and shape

Active listings

42,410

Retailers carrying

50

Median active price

$485

Grade combinations

29

Certificate mix:IGI 40,028 · GIA 1,336 · GCAL 21 · HRD 12

What it actually costs

Lower 10% $214Median $485Upper 10% $1,262

Middle half sell between $388 to $627

Certificated stones with a live price only, 9,793 of them. Each contributes its best available price.

The same stone, priced differently

Typical spread

208%

Typical difference

$863

Stones compared

6,284

Across 6,284 stones of this size and shape carried by more than one retailer, the dearest listing sits 208% above the cheapest for the identical certificated diamond, a typical gap of $863. That gap is what comparing before you buy avoids.

Every retailer that stocks this spec

Ranked by active inventory count. Selection is mechanical, not editorial.

  3. 3Adiamor3,779 in stock
    United States·Founded 1999·30-day returns·Ships to United States
    Visit Adiamor
Show 15 more retailers
  3. 13RockHer1,300 in stock
    United States·Founded 2016·40-day returns·Ships to United States
    Visit RockHer
  14. 24

    GemTrove

    334 in stock
    AU

Stock counts are updated daily. Founded, return window and shipping details are retailer-provided and were last verified September 2, 2026.

13 of the 25 retailers ship to United States. 12 do not.

Narrow it down by grade

Each combination below has its own page with the retailers that stock exactly that grade.

D VVS28,482 · 47rE VVS27,056 · 40rD VS15,969 · 45rE VS15,263 · 42rD VVS13,765 · 35rF VVS21,969 · 39rE VVS11,935 · 36rF VS11,596 · 38rE VS21,201 · 30rD VS21,172 · 36rD IF661 · 36rG VVS2629 · 32rF VS2585 · 34rG VS1503 · 33rF VVS1462 · 32rE IF336 · 30rD FL196 · 20rH VS1111 · 22rG VS2109 · 26rG VVS171 · 18rF IF58 · 22rH VVS249 · 17rH VVS142 · 20rI VS240 · 11rI VS137 · 15rE FL36 · 13rH VS233 · 13rI VVS216 · 9rF FL13 · 10r

Stones at this spec now

Live examples carried by more than one retailer, so the comparison is real. Prices shown in USD.

What this spec means

  • Heart: a brilliant cut with a cleft and a pointed tip, classic and recognizable.
  • Lab-grown: chemically identical to natural diamonds, typically 60% to 80% less than a comparable natural cohort.

Frequently asked

How much do retailers differ on the same diamond?

Across 6,284 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 208%, about $863.

Can I see retailers for one exact grade?

Yes. Each of the 29 color and clarity combinations above has its own page listing the retailers that stock exactly that grade.

Does Carat Hunter earn commission from these retailers?

No. We earn zero affiliate revenue from any retailer in our index.

How fresh is this data?

Live listings refresh daily. Static facts about each retailer refresh weekly.

How is the retailer ranking calculated?

Strictly by active inventory count for this exact spec. The retailer carrying the most stones at the spec ranks first. There is no editorial input, weighting or affiliate consideration.

Why do you not show per-retailer prices on this page?

Prices vary per stone, not per store. Click through to any matched diamond and you will see every retailer's price on the exact same physical stone, which is the meaningful comparison.

Where to Buy 1.5ct Lab Grown Heart Diamonds | Carat Hunter