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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, 43 of them, across 7,580 live listings.

Updated September 17, 2026 · Independent. Zero affiliate revenue.

The market at this size and shape

Active listings

7,580

Retailers carrying

43

Median active price

HK$2,503

Grade combinations

29

Certificate mix:IGI 7,032 · GIA 47 · HRD 1

What it actually costs

Lower 10% HK$1,177Median HK$2,503Upper 10% HK$5,274

Middle half sell between HK$1,820 to HK$3,498

Certificated stones with a live price only, 1,585 of them. Each contributes its best available price.

The same stone, priced differently

Typical spread

160%

Typical difference

HK$3,469

Stones compared

1,102

Across 1,102 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 HK$3,469. 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.

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.

Narrow it down by grade

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

D VVS21,470 · 35rD VS11,308 · 30rE VVS2915 · 29rE VS1897 · 27rD VVS1762 · 31rF VS1438 · 25rF VVS2361 · 23rD VS2234 · 21rD IF197 · 24rE VS2169 · 23rE VVS1123 · 27rG VS1113 · 21rF VS290 · 20rG VVS275 · 24rH VS166 · 22rG VS257 · 13rH VVS247 · 13rH VS242 · 14rF VVS136 · 12rE IF31 · 15rF IF21 · 15rH IF19 · 5rI VVS215 · 3rG VVS114 · 5rG IF14 · 5rI VVS113 · 5rI VS211 · 6rH VVS110 · 3rD FL10 · 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 1,102 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 160%, about HK$3,469.

Can I see retailers for one exact grade?

Yes. Each of the 29 colour 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