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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, 64 of them, across 30,036 current listings.

Updated November 1, 2026 · Independent. Zero affiliate revenue.

The market at this size and shape

Active listings

30,036

Retailers carrying

64

Median confirmed price

€579

Grade combinations

32

Certificate mix:GIA 24,033 · IGI 2,515 · AGS 15 · HRD 4

What it actually costs

Half of these diamonds are listed between €465 and €974 (as of November 1, 2026).

Lower 10% €401Median €579Upper 10% €2,041

Middle half listed between €465 to €974

Certificated stones with a recently confirmed price only, 8,447 of them. Each contributes its cheapest confirmed price.

The same stone, priced differently

Typical spread

117%

Typical difference

€747

Stones compared

4,118

Across 4,118 stones of this size and shape carried by more than one retailer, the dearest listing sits 117% above the cheapest for the identical certificated diamond, a typical gap of €747. 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.

  2. 2Rare Carat2,597 in stock
    United States·Founded 2016·30-day returns·Ships to European Union
    Terms read on the retailer’s own site, October 19, 2026
    Visit Rare Carat
  7. 7Yorxs1,188 in stock
    Germany·Founded 2011·100-day returns·Ships to European Union
    Terms not yet verified
    Visit Yorxs
  9. 9Allurez1,002 in stock
    United States·Founded 2010·30-day returns·Ships to European Union
    Terms not yet verified
    Visit Allurez
Show 15 more retailers
  2. 12Ritani826 in stock
    United States·Founded 1999·30-day returns
    Terms not yet verified
    Visit Ritani
  3. 13Moon Ocean814 in stock
    United Kingdom·Founded 2022·30-day returns·Ships to European Union
    Terms not yet verified
    Visit Moon Ocean
  4. 14Cape Diamonds708 in stock
    South Africa·Founded 2005·7-day returns·Ships to European Union
    Terms read on the retailer’s own site, June 15, 2026
    Visit Cape Diamonds
  7. 17RockHer628 in stock
    United States·Founded 2016·40-day returns·Ships to European Union
    Terms not yet verified
    Visit RockHer
  8. 18ZCOVA616 in stock
    Malaysia·Founded 2015·Ships to European Union
    Terms not yet verified
    Visit ZCOVA
  12. 22B2C Jewels501 in stock
    United States·Founded 2004·30-day returns·Ships to European Union
    Terms read on the retailer’s own site, October 19, 2026
    Visit B2C Jewels

Stock counts are updated daily. Founded and shipping details come from public sources. Return terms are our summary of each retailer's own policy page, dated per retailer above. Retailers change their terms, so check the retailer's own returns and shipping pages before you buy.

16 of the 25 retailers ship to European Union. 9 do not.

Narrow it down by grade

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

D VVS11,956 · 54rE VS11,946 · 50rE VVS11,763 · 48rF VS11,683 · 44rD VS11,621 · 50rE VVS21,468 · 45rD VVS21,438 · 47rG VS11,399 · 45rE VS21,397 · 54rF VS21,347 · 51rF VVS11,338 · 51rF VVS21,291 · 48rG VVS11,251 · 47rG VVS21,191 · 45rD VS21,068 · 52rG VS21,029 · 52rH VVS11,025 · 48rH VS1899 · 49rH VVS2743 · 51rH VS2575 · 48rI VS1544 · 42rI VVS1473 · 36rD IF384 · 36rI VS2347 · 46rI VVS2332 · 42rE IF320 · 34rI IF319 · 38rF IF297 · 34rG IF283 · 36rH IF251 · 41rD FL32 · 7rE FL12 · 3r

Stones at this spec now

Current 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 4,118 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 117%, about €747.

Can I see retailers for one exact grade?

Yes. Each of the 32 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?

Listings refresh as we re-read each retailer, most of them every day. 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.