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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, 66 of them, across 148,603 current listings.

Updated November 2, 2026 · Independent. Zero affiliate revenue.

The market at this size and shape

Active listings

148,603

Retailers carrying

66

Median confirmed price

£524

Grade combinations

32

Certificate mix:GIA 130,505 · IGI 9,303 · HRD 33 · AGS 1

What it actually costs

Half of these diamonds are listed between £430 and £687 (as of November 2, 2026).

Lower 10% £362Median £524Upper 10% £877

Middle half listed between £430 to £687

Certificated stones with a recently confirmed price only, 29,034 of them. Each contributes its cheapest confirmed price.

The same stone, priced differently

Typical spread

54%

Typical difference

£306

Stones compared

16,964

Across 16,964 stones of this size and shape carried by more than one retailer, the dearest listing sits 54% above the cheapest for the identical certificated diamond, a typical gap of £306. 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.

  1. 1Rare Carat15,681 in stock
    United States·Founded 2016·30-day returns·Ships to United Kingdom
    Terms read on the retailer’s own site, October 19, 2026
    Visit Rare Carat
  4. 4NZ Jewellers6,584 in stock
    New Zealand·Founded 2006·30-day returns·Ships to United Kingdom
    Terms read on the retailer’s own site, October 19, 2026
    Visit NZ Jewellers
  9. 9Brilliance4,831 in stock
    United States·Founded 2002·30-day returns·Ships to United Kingdom
    Terms not yet verified
    Visit Brilliance
Show 15 more retailers
  2. 12Yorxs4,288 in stock
    Germany·Founded 2011·100-day returns
    Terms not yet verified
    Visit Yorxs
  4. 14Aurelinne4,178 in stock
    United States·Founded 2021·30-day returns·Ships to United Kingdom
    Terms not yet verified
    Visit Aurelinne
  5. 15Allurez4,176 in stock
    United States·Founded 2010·30-day returns·Ships to United Kingdom
    Terms not yet verified
    Visit Allurez
  6. 16

    The Perfect Carat

    3,585 in stock
    US
    Terms not yet verified
  7. 17Moon Ocean2,950 in stock
    United Kingdom·Founded 2022·30-day returns·Ships to United Kingdom
    Terms not yet verified
    Visit Moon Ocean
  9. 19B2C Jewels2,907 in stock
    United States·Founded 2004·30-day returns·Ships to United Kingdom
    Terms read on the retailer’s own site, October 19, 2026
    Visit B2C Jewels
  10. 20RockHer2,605 in stock
    United States·Founded 2016·40-day returns·Ships to United Kingdom
    Terms not yet verified
    Visit RockHer
  13. 23Cape Diamonds2,564 in stock
    South Africa·Founded 2005·7-day returns·Ships to United Kingdom
    Terms read on the retailer’s own site, June 15, 2026
    Visit Cape Diamonds
  14. 24Ritani2,249 in stock
    United States·Founded 1999·30-day returns
    Terms not yet verified
    Visit Ritani

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.

18 of the 25 retailers ship to United Kingdom. 7 do not.

Narrow it down by grade

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

D VS110,605 · 61rD VS28,751 · 61rE VS28,615 · 59rD VVS28,562 · 60rE VS18,352 · 59rF VS18,249 · 59rF VS28,032 · 63rE VVS27,309 · 58rD VVS17,106 · 58rG VS16,209 · 59rG VS25,959 · 60rF VVS25,765 · 58rF VVS15,129 · 57rG VVS24,604 · 57rE VVS14,477 · 55rH VS14,371 · 57rH VVS14,174 · 58rG VVS14,010 · 56rH VVS23,866 · 60rI VS13,730 · 50rH VS23,695 · 58rI VVS13,208 · 52rI VVS23,082 · 50rI VS22,978 · 50rH IF1,646 · 53rD IF1,562 · 52rG IF1,298 · 54rE IF1,175 · 56rF IF989 · 52rI IF973 · 42rD FL50 · 30rF FL39 · 23r

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?

Across 16,964 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 54%, about £306.

Can I see retailers for one exact grade?

Yes. Each of the 32 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.