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Carat Hunter · Where to buy diamonds

Where to buy a 1.5ct natural radiant diamond

Every retailer in our index stocking this size and shape, 68 of them, across 13,989 live listings.

Updated September 22, 2026 · Independent. Zero affiliate revenue.

The market at this size and shape

Active listings

13,989

Retailers carrying

68

Median active price

£4,701

Grade combinations

33

Certificate mix:GIA 12,330 · HRD 87 · IGI 75

What it actually costs

Lower 10% £2,168Median £4,701Upper 10% £8,549

Middle half sell between £3,168 to £6,593

Certificated stones with a live price only, 4,678 of them. Each contributes its best available price.

The same stone, priced differently

Typical spread

45%

Typical difference

£1,964

Stones compared

3,345

Across 3,345 stones of this size and shape carried by more than one retailer, the dearest listing sits 45% above the cheapest for the identical certificated diamond, a typical gap of £1,964. 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.

  7. 7

    MOH London

    497 in stock
    United Kingdom
Show 15 more retailers

Stock counts are updated daily. Founded, return window and shipping details are retailer-provided and were last verified June 15, 2026.

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

Narrow it down by grade

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

I VS21,286 · 51rG VS21,016 · 56rH VS11,003 · 53rG VS1983 · 55rF VS2873 · 55rH VS2865 · 56rI VS1777 · 45rH VVS2756 · 53rF VS1746 · 59rE VS2627 · 58rE VS1506 · 51rI VVS1470 · 50rD VS2457 · 55rG VVS1457 · 53rH VVS1436 · 51rD VS1429 · 49rF VVS2405 · 53rI VVS2402 · 46rG VVS2371 · 48rE VVS2261 · 50rD VVS2182 · 47rF VVS1171 · 42rD VVS1110 · 45rE VVS1106 · 38rI IF54 · 25rH IF49 · 29rE IF48 · 25rG IF43 · 21rD IF35 · 25rF IF16 · 14rF FL14 · 13rH FL13 · 13rI 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

  • Radiant: a rectangular brilliant cut that combines the emerald outline with round-style faceting.
  • 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 3,345 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 45%, about £1,964.

Can I see retailers for one exact grade?

Yes. Each of the 33 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.