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Carat Hunter · Where to buy diamonds

Where to buy a 0.5ct lab-grown oval diamond

Every retailer in our index stocking this size and shape, 50 of them, across 95,536 current listings.

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

The market at this size and shape

Active listings

95,536

Retailers carrying

50

Median confirmed price

€199

Grade combinations

30

Certificate mix:IGI 90,995 · GIA 44 · GCAL 42 · HRD 37

What it actually costs

Half of these diamonds are listed between €141 and €275 (as of November 1, 2026).

Lower 10% €105Median €199Upper 10% €379

Middle half listed between €141 to €275

Certificated stones with a recently confirmed price only, 9,614 of them. Each contributes its cheapest confirmed price.

The same stone, priced differently

Typical spread

324%

Typical difference

€607

Stones compared

7,336

Across 7,336 stones of this size and shape carried by more than one retailer, the dearest listing sits 324% above the cheapest for the identical certificated diamond, a typical gap of €607. 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.

  3. 3Rare Carat5,799 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
  6. 6B2C Jewels4,919 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
  7. 7Yorxs4,869 in stock
    Germany·Founded 2011·100-day returns·Ships to European Union
    Terms not yet verified
    Visit Yorxs
  8. 8Aurelinne4,559 in stock
    United States·Founded 2021·30-day returns·Ships to European Union
    Terms not yet verified
    Visit Aurelinne
  9. 9NZ Jewellers4,398 in stock
    New Zealand·Founded 2006·30-day returns·Ships to European Union
    Terms read on the retailer’s own site, October 19, 2026
    Visit NZ Jewellers
Show 15 more retailers
  1. 11

    The Perfect Carat

    3,868 in stock
    US
    Terms not yet verified
  5. 15Cape Diamonds2,561 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
  10. 20Adiamor1,651 in stock
    United States·Founded 1999·30-day returns
    Terms not yet verified
    Visit Adiamor

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.

15 of the 25 retailers ship to European Union. 10 do not.

Narrow it down by grade

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

D VVS227,645 · 45rD VVS124,749 · 45rD VS113,230 · 44rD IF8,095 · 39rE VVS25,617 · 39rE VS13,838 · 38rD VS23,064 · 32rE VVS12,521 · 43rE VS21,314 · 31rF VVS2908 · 37rE IF773 · 37rF VS1723 · 32rD FL685 · 30rH VS1337 · 24rF VS2332 · 27rI VS2254 · 18rG VS1228 · 26rI VS1218 · 18rF VVS1182 · 34rG VVS2147 · 27rF IF134 · 32rH VS295 · 21rH VVS284 · 26rG VS280 · 22rG VVS175 · 28rE FL65 · 22rI VVS256 · 14rH VVS148 · 26rG IF19 · 12rI VVS116 · 16r

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

  • Oval: an elongated brilliant cut that looks larger face-up than its carat weight.
  • Lab-grown: chemically identical to natural diamonds, typically at least 90% less than a comparable natural cohort from 1 carat up.

Frequently asked

How much do retailers differ on the same diamond?

Across 7,336 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 324%, about €607.

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?

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.