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Carat Hunter · Where to buy diamonds

Where to buy a 1ct lab-grown oval diamond

Every retailer in our index stocking this size and shape, 63 of them, across 255,309 current listings.

Updated November 3, 2026 · Independent. Zero affiliate revenue.

The market at this size and shape

Active listings

255,309

Retailers carrying

63

Median confirmed price

£253

Grade combinations

30

Certificate mix:IGI 242,506 · GCAL 3,399 · GIA 2,997 · HRD 22

What it actually costs

Half of these diamonds are listed between £156 and £410 (as of November 3, 2026).

Lower 10% £138Median £253Upper 10% £686

Middle half listed between £156 to £410

Certificated stones with a recently confirmed price only, 23,469 of them. Each contributes its cheapest confirmed price.

The same stone, priced differently

Typical spread

323%

Typical difference

£650

Stones compared

17,180

Across 17,180 stones of this size and shape carried by more than one retailer, the dearest listing sits 323% above the cheapest for the identical certificated diamond, a typical gap of £650. 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. 3NZ Jewellers13,612 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
  5. 5Rare Carat12,208 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
  7. 7Aurelinne11,297 in stock
    United States·Founded 2021·30-day returns·Ships to United Kingdom
    Terms not yet verified
    Visit Aurelinne
Show 15 more retailers
  1. 11

    The Perfect Carat

    10,559 in stock
    US
    Terms not yet verified
  3. 13Adiamor9,721 in stock
    United States·Founded 1999·30-day returns
    Terms not yet verified
    Visit Adiamor
  4. 14B2C Jewels9,649 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
  8. 18Cape Diamonds6,073 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
  9. 19Moon Ocean5,666 in stock
    United Kingdom·Founded 2022·30-day returns·Ships to United Kingdom
    Terms not yet verified
    Visit Moon Ocean
  14. 24Yorxs4,214 in stock
    Germany·Founded 2011·100-day returns
    Terms not yet verified
    Visit Yorxs

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 United Kingdom. 9 do not.

Narrow it down by grade

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

D VVS258,968 · 61rD VS139,029 · 57rD VVS138,187 · 55rE VVS220,629 · 55rE VS115,752 · 56rD IF15,186 · 53rD FL12,336 · 40rE VVS112,204 · 52rD VS29,392 · 47rE VS27,015 · 47rF VVS26,097 · 51rF VS14,925 · 47rE IF3,357 · 42rF VVS12,614 · 50rG VS12,299 · 41rG VVS21,857 · 41rF VS21,742 · 42rE FL873 · 34rG VS2700 · 35rF IF526 · 40rH VS1442 · 29rG VVS1417 · 38rH VVS2254 · 34rH VS2188 · 21rG IF89 · 33rI VS165 · 21rH VVS161 · 27rF FL54 · 25rG FL21 · 21rI VVS221 · 14r

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 17,180 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 323%, about £650.

Can I see retailers for one exact grade?

Yes. Each of the 30 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.