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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, 66 of them, across 263,683 live listings.

Updated September 14, 2026 · Independent. Zero affiliate revenue.

The market at this size and shape

Active listings

263,683

Retailers carrying

66

Median active price

£271

Grade combinations

32

Certificate mix:IGI 252,087 · GIA 3,682 · GCAL 2,053 · HRD 32

What it actually costs

Lower 10% £113Median £271Upper 10% £676

Middle half sell between £220 to £397

Certificated stones with a live price only, 58,052 of them. Each contributes its best available price.

The same stone, priced differently

Typical spread

151%

Typical difference

£387

Stones compared

38,081

Across 38,081 stones of this size and shape carried by more than one retailer, the dearest listing sits 151% above the cheapest for the identical certificated diamond, a typical gap of £387. 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.

Show 15 more retailers

Stock counts are updated daily. Founded, return window and shipping details are retailer-provided and were last verified September 2, 2026.

6 of the 25 retailers ship to United Kingdom. 19 do not.

Narrow it down by grade

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

D VVS261,017 · 61rD VS145,047 · 49rD VVS134,734 · 49rE VVS227,278 · 50rE VS125,124 · 48rD VS211,040 · 44rE VVS110,600 · 46rD IF10,097 · 44rF VVS27,282 · 48rE VS27,204 · 41rD FL6,860 · 28rF VS14,584 · 46rG VS12,198 · 40rG VVS22,068 · 33rE IF1,851 · 34rF VVS11,725 · 42rF VS21,485 · 37rG VS2670 · 26rH VS1583 · 31rH VS2381 · 25rE FL366 · 24rH VVS2353 · 32rG VVS1300 · 30rF IF292 · 30rI VS1156 · 20rI VS2102 · 14rH VVS198 · 27rI VVS263 · 17rG IF59 · 25rF FL30 · 16rI VVS120 · 6rH IF12 · 6r

Stones at this spec now

Live 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 60% to 80% less than a comparable natural cohort.

Frequently asked

How much do retailers differ on the same diamond?

Across 38,081 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 151%, about £387.

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?

Live listings refresh daily. 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.