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Carat Hunter · Where to buy diamonds

Where to buy a 0.5ct natural radiant diamond

Every retailer in our index stocking this size and shape, 61 of them, across 31,219 live listings.

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

The market at this size and shape

Active listings

31,219

Retailers carrying

61

Median active price

£647

Grade combinations

36

Certificate mix:GIA 28,093 · IGI 579

What it actually costs

Lower 10% £418Median £647Upper 10% £1,151

Middle half sell between £518 to £782

Certificated stones with a live price only, 7,754 of them. Each contributes its best available price.

The same stone, priced differently

Typical spread

69%

Typical difference

£387

Stones compared

4,299

Across 4,299 stones of this size and shape carried by more than one retailer, the dearest listing sits 69% above the cheapest for the identical certificated diamond, a typical gap of £387. 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.

  10. 10

    GemTrove

    981 in stock
    AU
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.

6 of the 25 retailers ship to United Kingdom. 19 do not.

Narrow it down by grade

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

D VS12,109 · 54rD VVS11,695 · 49rE VS21,667 · 53rD VVS21,638 · 52rE VS11,616 · 50rE VVS11,567 · 50rD VS21,507 · 50rE VVS21,506 · 53rF VVS11,387 · 52rF VS11,371 · 51rH VVS11,366 · 49rG VS11,196 · 49rF VS21,187 · 52rG VVS11,151 · 50rF VVS21,036 · 52rH VVS2982 · 49rG VS2937 · 50rH VS1783 · 50rH VS2778 · 48rG VVS2775 · 49rI VVS1722 · 41rI VVS2645 · 41rI VS1628 · 41rI VS2541 · 44rF IF460 · 39rG IF398 · 46rH IF395 · 44rD IF392 · 42rE IF326 · 35rI IF248 · 32rD FL52 · 17rE FL38 · 9rF FL36 · 10rG FL32 · 5rI FL28 · 17rH FL24 · 5r

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

  • Radiant: a rectangular brilliant cut that combines the emerald outline with round-style faceting.
  • 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 4,299 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 69%, about £387.

Can I see retailers for one exact grade?

Yes. Each of the 36 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 Radiant Diamonds | Carat Hunter