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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, 58 of them, across 36,731 live listings.

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

The market at this size and shape

Active listings

36,731

Retailers carrying

58

Median active price

$708

Grade combinations

30

Certificate mix:GIA 30,987 · IGI 1,564 · HRD 23

What it actually costs

Lower 10% $462Median $708Upper 10% $1,062

Middle half sell between $545 to $873

Certificated stones with a live price only, 14,314 of them. Each contributes its best available price.

The same stone, priced differently

Typical spread

38%

Typical difference

$219

Stones compared

6,184

Across 6,184 stones of this size and shape carried by more than one retailer, the dearest listing sits 38% above the cheapest for the identical certificated diamond, a typical gap of $219. 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
  8. 18Adiamor762 in stock
    United States·Founded 1999·30-day returns·Ships to United States
    Visit Adiamor
  9. 19RockHer715 in stock
    United States·Founded 2016·40-day returns·Ships to United States
    Visit RockHer

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

10 of the 25 retailers ship to United States. 15 do not.

Narrow it down by grade

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

G VS22,787 · 49rG VS12,486 · 48rF VS12,252 · 51rE VS12,248 · 51rD VS11,938 · 54rF VS21,919 · 53rE VS21,738 · 48rG VVS21,624 · 47rG VVS11,517 · 49rE VVS21,417 · 50rD VS21,346 · 51rD VVS11,305 · 48rD VVS21,299 · 53rF VVS21,286 · 48rH VS11,240 · 44rH VVS21,202 · 48rE VVS11,093 · 48rF VVS11,072 · 47rH VS21,024 · 47rH VVS1924 · 49rI VVS1625 · 39rF IF610 · 40rE IF563 · 43rG IF471 · 37rI VS1456 · 43rI VVS2454 · 41rI IF449 · 34rH IF428 · 34rI VS2406 · 42rD IF388 · 43r

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 6,184 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 38%, about $219.

Can I see retailers for one exact grade?

Yes. Each of the 30 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 0.5ct Natural Heart Diamonds | Carat Hunter