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Carat Hunter · Where to buy diamonds

Where to buy a 1ct natural round diamond

Every retailer in our index stocking this size and shape, 77 of them, across 292,462 live listings.

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

The market at this size and shape

Active listings

292,462

Retailers carrying

77

Median active price

£2,491

Grade combinations

36

Certificate mix:GIA 235,020 · IGI 35,295 · HRD 6,664 · AGS 2

What it actually costs

Lower 10% £1,395Median £2,491Upper 10% £4,928

Middle half sell between £1,831 to £3,527

Certificated stones with a live price only, 104,943 of them. Each contributes its best available price.

The same stone, priced differently

Typical spread

34%

Typical difference

£705

Stones compared

60,714

Across 60,714 stones of this size and shape carried by more than one retailer, the dearest listing sits 34% above the cheapest for the identical certificated diamond, a typical gap of £705. 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 VS218,486 · 66rG VS216,644 · 67rG VS116,592 · 68rH VS115,436 · 66rI VS213,812 · 59rG VVS213,625 · 62rI VS112,269 · 56rF VS111,680 · 67rF VS211,556 · 65rH VVS211,294 · 62rD VS110,930 · 64rE VS210,898 · 69rE VS110,636 · 67rG VVS110,341 · 63rF VVS110,322 · 63rD VS210,077 · 62rD VVS29,280 · 61rD VVS19,207 · 63rE VVS19,098 · 66rF VVS29,054 · 66rE VVS28,587 · 64rI VVS28,530 · 53rH VVS18,155 · 61rI VVS17,398 · 55rD IF3,298 · 61rF IF3,070 · 60rI IF2,788 · 53rE IF2,778 · 58rG IF2,746 · 56rH IF2,524 · 58rD FL952 · 42rG FL103 · 25rE FL102 · 27rF FL89 · 25rH FL63 · 14rI FL42 · 13r

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

  • Round: the most common cut, with the highest light return per carat.
  • 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 60,714 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 34%, about £705.

Can I see retailers for one exact grade?

Yes. Each of the 36 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.