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Carat Hunter · Where to buy diamonds

Where to buy a 0.5ct natural cushion diamond

Every retailer in our index stocking this size and shape, 58 of them, across 29,058 live listings.

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

The market at this size and shape

Active listings

29,058

Retailers carrying

58

Median active price

£601

Grade combinations

33

Certificate mix:GIA 25,295 · IGI 285 · AGS 15 · HRD 3

What it actually costs

Lower 10% £329Median £601Upper 10% £1,825

Middle half sell between £436 to £976

Certificated stones with a live price only, 8,830 of them. Each contributes its best available price.

The same stone, priced differently

Typical spread

41%

Typical difference

£285

Stones compared

4,786

Across 4,786 stones of this size and shape carried by more than one retailer, the dearest listing sits 41% above the cheapest for the identical certificated diamond, a typical gap of £285. 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.

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 VVS11,833 · 48rE VS11,665 · 47rE VVS11,664 · 45rD VVS21,518 · 44rG VVS11,461 · 43rE VVS21,442 · 41rG VS11,435 · 43rD VS11,391 · 44rF VVS11,375 · 44rF VS11,361 · 44rE VS21,350 · 46rG VVS21,276 · 43rF VVS21,194 · 41rG VS21,136 · 49rH VVS11,110 · 43rF VS21,079 · 44rH VS1900 · 45rD VS2887 · 45rH VVS2824 · 46rH VS2631 · 47rI VS1541 · 40rI VVS1461 · 35rG IF378 · 37rI VVS2366 · 38rH IF309 · 39rD IF307 · 29rI VS2298 · 39rF IF296 · 32rE IF283 · 31rI IF190 · 34rD FL27 · 11rE FL23 · 4rG FL14 · 4r

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

  • Cushion: a softened-corner square or rectangle with a vintage feel.
  • 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 4,786 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 41%, about £285.

Can I see retailers for one exact grade?

Yes. Each of the 33 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 Cushion Diamonds | Carat Hunter