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Carat Hunter · Where to buy diamonds

Where to buy a 0.75ct lab-grown heart diamond

Every retailer in our index stocking this size and shape, 44 of them, across 7,449 live listings.

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

The market at this size and shape

Active listings

7,449

Retailers carrying

44

Median active price

$315

Grade combinations

29

Certificate mix:IGI 6,843 · GIA 48 · HRD 1

What it actually costs

Lower 10% $150Median $315Upper 10% $640

Middle half sell between $232 to $446

Certificated stones with a live price only, 1,576 of them. Each contributes its best available price.

The same stone, priced differently

Typical spread

160%

Typical difference

$442

Stones compared

1,093

Across 1,093 stones of this size and shape carried by more than one retailer, the dearest listing sits 160% above the cheapest for the identical certificated diamond, a typical gap of $442. 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.

  2. 2Adiamor637 in stock
    United States·Founded 1999·30-day returns·Ships to United States
    Visit Adiamor
Show 15 more retailers

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

11 of the 25 retailers ship to United States. 14 do not.

Narrow it down by grade

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

D VVS21,441 · 36rD VS11,271 · 30rE VVS2903 · 29rE VS1879 · 27rD VVS1750 · 31rF VS1422 · 24rF VVS2345 · 23rD VS2231 · 21rD IF200 · 25rE VS2167 · 23rE VVS1121 · 27rG VS1116 · 21rF VS288 · 20rG VVS272 · 24rH VS161 · 22rG VS260 · 13rH VVS250 · 13rH VS245 · 14rF VVS138 · 10rE IF29 · 15rH IF22 · 5rF IF21 · 15rI VVS218 · 3rG IF14 · 5rH VVS113 · 3rG VVS113 · 5rI VVS113 · 5rI VS112 · 6rI VS212 · 6r

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 1,093 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 160%, about $442.

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 0.75ct Lab Grown Heart Diamonds | Carat Hunter