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Carat Hunter · Where to buy diamonds

Where to buy a 1.25ct lab-grown oval diamond

Every retailer in our index stocking this size and shape, 61 of them, across 44,192 live listings.

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

The market at this size and shape

Active listings

44,192

Retailers carrying

61

Median active price

£366

Grade combinations

30

Certificate mix:IGI 39,982 · GIA 1,348 · GCAL 1,215 · HRD 11

What it actually costs

Lower 10% £161Median £366Upper 10% £1,228

Middle half sell between £286 to £726

Certificated stones with a live price only, 10,066 of them. Each contributes its best available price.

The same stone, priced differently

Typical spread

178%

Typical difference

£573

Stones compared

6,084

Across 6,084 stones of this size and shape carried by more than one retailer, the dearest listing sits 178% above the cheapest for the identical certificated diamond, a typical gap of £573. 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.

Narrow it down by grade

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

D VVS29,181 · 56rD VVS16,983 · 44rD VS15,910 · 46rD IF4,603 · 39rE VVS23,448 · 44rD FL2,632 · 27rE VS12,550 · 45rE VVS11,593 · 42rF VVS21,079 · 42rF VS1924 · 42rD VS2915 · 37rE IF851 · 34rE VS2667 · 36rG VS1602 · 31rG VVS2451 · 35rF VS2333 · 33rF VVS1280 · 32rH VS1214 · 25rE FL184 · 21rF IF181 · 32rG VS2141 · 22rH VS2138 · 21rH VVS2126 · 17rH VVS168 · 19rG VVS141 · 15rI VVS227 · 11rI VS218 · 6rI VS113 · 7rG IF11 · 9rF FL11 · 11r

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 6,084 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 178%, about £573.

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?

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.

Where to Buy 1.25ct Lab Grown Oval Diamonds | Carat Hunter