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Carat Hunter · Where to buy diamonds

Where to buy a 0.5ct natural heart diamond

Every retailer in our index stocking this size and shape, 60 of them, across 41,063 live listings.

Updated September 21, 2026 · Independent. Zero affiliate revenue.

The market at this size and shape

Active listings

41,063

Retailers carrying

60

Median active price

SGD 886

Grade combinations

30

Certificate mix:GIA 35,094 · IGI 1,756 · HRD 23

What it actually costs

Lower 10% SGD 555Median SGD 886Upper 10% SGD 1,360

Middle half sell between SGD 663 to SGD 1,113

Certificated stones with a live price only, 14,706 of them. Each contributes its best available price.

The same stone, priced differently

Typical spread

42%

Typical difference

SGD 299

Stones compared

6,675

Across 6,675 stones of this size and shape carried by more than one retailer, the dearest listing sits 42% above the cheapest for the identical certificated diamond, a typical gap of SGD 299. 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
  13. 23

    MOH London

    652 in stock
    United Kingdom

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.

G VS23,191 · 51rG VS12,794 · 51rF VS12,576 · 52rE VS12,452 · 53rD VS12,248 · 56rF VS22,140 · 55rE VS21,858 · 50rG VVS21,776 · 48rG VVS11,633 · 52rE VVS21,578 · 54rD VVS11,519 · 50rD VVS21,489 · 55rD VS21,479 · 53rF VVS21,394 · 50rH VS11,389 · 46rH VVS21,363 · 50rE VVS11,249 · 49rF VVS11,201 · 49rH VS21,173 · 48rH VVS1986 · 51rF IF704 · 42rE IF669 · 46rI VVS1666 · 41rG IF546 · 39rI VVS2494 · 43rI VS1493 · 45rI IF492 · 36rD IF474 · 45rH IF439 · 36rI VS2434 · 44r

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 6,675 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 42%, about SGD 299.

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.

Where to Buy 0.5ct Natural Heart Diamonds | Carat Hunter