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Carat Hunter · Where to buy diamonds

Where to buy a 2ct lab-grown radiant diamond

Every retailer in our index stocking this size and shape, 60 of them, across 143,768 live listings.

Updated September 15, 2026 · Independent. Zero affiliate revenue.

The market at this size and shape

Active listings

143,768

Retailers carrying

60

Median active price

£610

Grade combinations

32

Certificate mix:IGI 125,109 · GIA 14,054 · GCAL 2,244 · HRD 3

What it actually costs

Lower 10% £291Median £610Upper 10% £2,200

Middle half sell between £433 to £1,331

Certificated stones with a live price only, 36,545 of them. Each contributes its best available price.

The same stone, priced differently

Typical spread

226%

Typical difference

£991

Stones compared

20,114

Across 20,114 stones of this size and shape carried by more than one retailer, the dearest listing sits 226% above the cheapest for the identical certificated diamond, a typical gap of £991. 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.

E VS121,431 · 48rE VVS218,587 · 46rD VVS216,644 · 55rD VS115,285 · 45rD VVS113,029 · 42rF VVS29,367 · 47rF VS18,653 · 45rD IF7,438 · 39rE VVS15,686 · 42rG VS15,632 · 45rD FL3,635 · 28rE VS23,340 · 39rG VVS23,282 · 36rD VS22,206 · 39rG VS21,603 · 33rF VS21,501 · 37rF VVS11,456 · 38rE IF1,330 · 32rH VS11,097 · 30rH VVS2737 · 34rH VS2450 · 32rG VVS1382 · 27rE FL290 · 22rF IF270 · 29rG IF149 · 24rI VS181 · 20rH VVS176 · 21rF FL34 · 13rI VS230 · 16rH IF27 · 16rI VVS224 · 13rG FL13 · 12r

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

  • Radiant: a rectangular brilliant cut that combines the emerald outline with round-style faceting.
  • 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 20,114 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 226%, about £991.

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.