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Carat Hunter · Where to buy diamonds

Where to buy a 1.5ct natural heart diamond

Every retailer in our index stocking this size and shape, 62 of them, across 14,954 live listings.

Updated September 20, 2026 · Independent. Zero affiliate revenue.

The market at this size and shape

Active listings

14,954

Retailers carrying

62

Median active price

SGD 6,875

Grade combinations

30

Certificate mix:GIA 12,063 · IGI 1,356 · HRD 297

What it actually costs

Lower 10% SGD 3,546Median SGD 6,875Upper 10% SGD 13,493

Middle half sell between SGD 4,718 to SGD 9,879

Certificated stones with a live price only, 4,694 of them. Each contributes its best available price.

The same stone, priced differently

Typical spread

61%

Typical difference

SGD 3,781

Stones compared

3,211

Across 3,211 stones of this size and shape carried by more than one retailer, the dearest listing sits 61% above the cheapest for the identical certificated diamond, a typical gap of SGD 3,781. 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.

  4. 4

    MOH London

    701 in stock
    United Kingdom
Show 15 more retailers

Stock counts are updated daily. Founded, return window and shipping details are retailer-provided and were last verified June 15, 2026.

Narrow it down by grade

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

G VS11,122 · 53rH VS11,104 · 53rI VS21,060 · 47rH VS21,040 · 54rI VS1943 · 48rD VS2816 · 50rG VS2792 · 55rF VS1713 · 53rE VS1652 · 50rH VVS2566 · 45rF VS2557 · 54rD VVS2524 · 45rG VVS2509 · 48rH VVS1486 · 41rI VVS2485 · 42rE VS2475 · 45rI VVS1457 · 41rD VS1413 · 47rF VVS2361 · 48rE VVS2346 · 44rE VVS1264 · 40rD VVS1246 · 43rG VVS1245 · 41rF VVS1195 · 40rH IF136 · 32rE IF120 · 38rI IF107 · 25rD IF96 · 30rG IF77 · 29rF IF39 · 22r

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.
  • Natural: mined diamonds with the certification, provenance and resale profile traditional buyers expect.

Frequently asked

How much do retailers differ on the same diamond?

Across 3,211 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 61%, about SGD 3,781.

Can I see retailers for one exact grade?

Yes. Each of the 30 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.