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Carat Hunter · Where to buy diamonds

Where to buy a 0.5ct natural oval diamond

Every retailer in our index stocking this size and shape, 68 of them, across 216,578 current listings.

Updated November 6, 2026 · Independent. Zero affiliate revenue.

The market at this size and shape

Active listings

216,578

Retailers carrying

68

Median confirmed price

£529

Grade combinations

58

Certificate mix:GIA 188,557 · IGI 12,569 · HRD 1,675 · AGS 1

What it actually costs

Half of these diamonds are listed between £433 and £701 (as of November 6, 2026).

Lower 10% £363Median £529Upper 10% £887

Middle half listed between £433 to £701

Certificated stones with a recently confirmed price only, 28,344 of them. Each contributes its cheapest confirmed price.

The same stone, priced differently

As of November 6, 2026, the same certified diamond typically costs 44% more at a typical retailer than at the cheapest for lab-grown stones, and 20% more for natural ones (the median across stones listed by two or more retailers). Comparing shows you the cheapest of the retailers listing the same stone.

Every retailer that stocks this spec

Ranked by active inventory count. Selection is mechanical, not editorial.

  1. 1Rare Carat22,492 in stock
    United States·Founded 2016·GIA, GSI, HRD, IGI·30-day returns·Ships to United Kingdom
    Terms read on the retailer’s own site, October 19, 2026
    Visit Rare Carat
  4. 4NZ Jewellers9,338 in stock
    New Zealand·Founded 2006·GIA, HRD, IGI·30-day returns·Ships to United Kingdom
    Terms read on the retailer’s own site, October 19, 2026
    Visit NZ Jewellers
  6. 6Carbon Sparkle7,783 in stock
    United States·GIA, HRD, IGI·21-day returns·Ships to United Kingdom
    Terms read on the retailer’s own site, September 2, 2026
    Visit Carbon Sparkle
  8. 8Allurez7,353 in stock
    United States·Founded 2010·GIA, IGI·Ships to United Kingdom
    Terms not yet verified
    Visit Allurez
  10. 10Yorxs6,970 in stock
    Germany·Founded 2011·GIA, HRD, IGI
    Terms not yet verified
    Visit Yorxs
Show 58 more retailers
  1. 11Aurelinne6,598 in stock
    United States·Founded 2021·GIA, HRD, IGI·Ships to United Kingdom
    Terms not yet verified
    Visit Aurelinne
  5. 15

    The Perfect Carat

    5,836 in stock
    US·GIA, HRD, IGI
    Terms not yet verified
  6. 16Brilliance5,173 in stock
    United States·Founded 2002·EGL, GIA, HRD, IGI·Ships to United Kingdom
    Terms not yet verified
    Visit Brilliance
  8. 18Cape Diamonds3,625 in stock
    South Africa·Founded 2005·GIA, IGI·7-day returns·Ships to United Kingdom
    Terms read on the retailer’s own site, June 15, 2026
    Visit Cape Diamonds
  10. 20B2C Jewels3,566 in stock
    United States·Founded 2004·GIA, HRD, IGI·30-day returns·Ships to United Kingdom
    Terms read on the retailer’s own site, October 19, 2026
    Visit B2C Jewels
  12. 22RockHer3,283 in stock
    United States·Founded 2016·GIA, IGI·Ships to United Kingdom
    Terms not yet verified
    Visit RockHer
  23. 33

    GemTrove

    1,924 in stock
    AU·GIA, IGI
    Terms not yet verified
  32. 42ZCOVA1,182 in stock
    Malaysia·Founded 2015·GIA·Ships to United Kingdom
    Terms not yet verified
    Visit ZCOVA
  33. 43Blue Nile1,102 in stock
    United States·Founded 1999·GIA, GSI, HRD·Ships to United Kingdom
    Terms not yet verified
    Visit Blue Nile
  34. 44Jared710 in stock
    United States·Founded 1993·GIA
    Terms not yet verified
    Visit Jared
  35. 45Zales650 in stock
    United States·Founded 1924·GIA
    Terms not yet verified
    Visit Zales

Stock counts reflect current listings. 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.

40 of the 66 retailers with shipping details ship to United Kingdom. 26 do not. 2 retailers have not published any shipping details.

Narrow it down by grade

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

D VS110,569 · 61rF SI19,037 · 60rD VS28,779 · 61rE VS28,563 · 59rD VVS28,507 · 60rE SI18,458 · 58rE VS18,292 · 59rF VS18,262 · 59rF VS27,961 · 63rD SI17,960 · 57rE VVS27,260 · 59rD VVS16,958 · 59rG SI16,173 · 56rG VS16,169 · 59rG VS26,053 · 61rF VVS25,667 · 58rF VVS15,118 · 58rF SI24,609 · 49rG VVS24,601 · 57rE VVS14,395 · 56rH VS14,274 · 56rH VVS14,185 · 59rG VVS13,963 · 56rE SI23,868 · 48rH VVS23,861 · 61rI VS13,684 · 49rH VS23,650 · 57rD SI23,640 · 51rH SI13,507 · 57rG SI23,464 · 47rI VVS13,164 · 53rI VVS23,112 · 50rI VS22,910 · 50rI SI12,373 · 49rJ VS12,152 · 49rH SI22,072 · 45rJ VVS11,988 · 50rJ VVS21,961 · 47rH IF1,678 · 54rJ VS21,580 · 48rD IF1,573 · 52rG IF1,252 · 54rE IF1,154 · 55rJ SI11,085 · 49rI SI21,045 · 44rI IF962 · 42rF IF959 · 52rJ IF595 · 39rK VS1593 · 34rK VVS1575 · 38rK VVS2558 · 34rK VS2449 · 35rJ SI2385 · 38rK SI1357 · 32rK SI2294 · 26rK IF146 · 23rD FL48 · 30rF FL38 · 22r

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.
  • Natural: mined diamonds with the certification, provenance and resale profile traditional buyers expect.

Frequently asked

How much do retailers differ on the same diamond?

As of November 6, 2026, the same certified diamond typically costs 44% more at a typical retailer than at the cheapest for lab-grown stones, and 20% more for natural ones (the median across stones listed by two or more retailers). Comparing shows you the cheapest of the retailers listing the same stone.

Can I see retailers for one exact grade?

Yes. Each of the 58 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?

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.