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Carat Hunter · Where to buy diamonds

Where to buy a 1.5ct natural round diamond

Every retailer in our index stocking this size and shape, 73 of them, across 100,221 live listings.

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

The market at this size and shape

Active listings

100,221

Retailers carrying

73

Median active price

£4,460

Grade combinations

36

Certificate mix:GIA 77,295 · IGI 14,234 · HRD 3,477 · AGS 1

What it actually costs

Lower 10% £2,241Median £4,460Upper 10% £9,238

Middle half sell between £3,044 to £6,578

Certificated stones with a live price only, 42,866 of them. Each contributes its best available price.

The same stone, priced differently

Typical spread

37%

Typical difference

£1,428

Stones compared

27,674

Across 27,674 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 £1,428. 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.

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 VS27,213 · 59rH VS26,807 · 64rG VS26,253 · 63rI VS15,961 · 58rH VS15,620 · 65rG VS15,402 · 63rF VS25,352 · 65rE VS24,269 · 63rH VVS24,200 · 62rD VS23,849 · 60rF VS13,815 · 63rG VVS23,757 · 60rI VVS23,575 · 54rH VVS13,487 · 60rI VVS13,388 · 55rE VS13,018 · 61rD VS12,813 · 62rG VVS12,692 · 60rF VVS22,391 · 61rD VVS22,318 · 56rF VVS12,299 · 64rE VVS12,022 · 61rE VVS21,858 · 60rD VVS11,688 · 57rI IF1,221 · 50rG IF1,154 · 53rH IF1,148 · 51rE IF826 · 53rF IF712 · 53rD IF601 · 54rD FL328 · 37rE FL60 · 30rF FL42 · 23rG FL36 · 17rI FL23 · 7rH FL23 · 3r

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 27,674 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 37%, about £1,428.

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.

Where to Buy 1.5ct Natural Round Diamonds | Carat Hunter