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Carat Hunter · Where to buy diamonds

Where to buy a 1ct natural radiant diamond

Every retailer in our index stocking this size and shape, 65 of them, across 29,994 live listings.

Updated September 19, 2026 · Independent. Zero affiliate revenue.

The market at this size and shape

Active listings

29,994

Retailers carrying

65

Median active price

£2,114

Grade combinations

32

Certificate mix:GIA 26,014 · IGI 755 · HRD 91 · AGS 6

What it actually costs

Lower 10% £1,129Median £2,114Upper 10% £4,102

Middle half sell between £1,492 to £2,921

Certificated stones with a live price only, 10,164 of them. Each contributes its best available price.

The same stone, priced differently

Typical spread

37%

Typical difference

£678

Stones compared

6,903

Across 6,903 stones of this size and shape carried by more than one retailer, the dearest listing sits 37% above the cheapest for the identical certificated diamond, a typical gap of £678. 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 June 15, 2026.

8 of the 25 retailers ship to United Kingdom. 17 do not.

Narrow it down by grade

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

H VS22,061 · 56rG VS11,972 · 59rG VS21,836 · 56rH VS11,758 · 54rI VS21,716 · 52rI VS11,695 · 50rF VS21,589 · 57rE VS21,435 · 59rE VS11,270 · 56rG VVS21,253 · 58rH VVS21,236 · 56rF VS11,198 · 57rD VS21,100 · 56rH VVS11,024 · 53rF VVS2987 · 56rI VVS1943 · 48rE VVS2882 · 53rI VVS2870 · 50rG VVS1822 · 55rD VS1770 · 54rD VVS2734 · 55rE VVS1634 · 54rF VVS1613 · 55rD VVS1528 · 53rG IF213 · 50rI IF199 · 36rD IF181 · 41rH IF159 · 42rE IF127 · 34rF IF124 · 43rI FL30 · 9rE FL29 · 24r

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 6,903 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 37%, about £678.

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.

Where to Buy 1ct Natural Radiant Diamonds | Carat Hunter