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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, 74 of them, across 105,288 live listings.

Updated September 21, 2026 · Independent. Zero affiliate revenue.

The market at this size and shape

Active listings

105,288

Retailers carrying

74

Median active price

£4,692

Grade combinations

36

Certificate mix:GIA 81,196 · IGI 15,080 · HRD 3,768 · AGS 1

What it actually costs

Lower 10% £2,355Median £4,692Upper 10% £9,711

Middle half sell between £3,202 to £6,913

Certificated stones with a live price only, 43,259 of them. Each contributes its best available price.

The same stone, priced differently

Typical spread

51%

Typical difference

£2,107

Stones compared

28,402

Across 28,402 stones of this size and shape carried by more than one retailer, the dearest listing sits 51% above the cheapest for the identical certificated diamond, a typical gap of £2,107. 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.

  8. 8

    MOH London

    4,367 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.

Narrow it down by grade

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

I VS27,534 · 59rH VS27,172 · 65rG VS26,585 · 64rI VS16,261 · 59rH VS15,916 · 66rF VS25,637 · 66rG VS15,636 · 64rE VS24,475 · 64rH VVS24,415 · 63rD VS24,056 · 62rF VS14,011 · 64rG VVS23,962 · 61rI VVS23,754 · 56rH VVS13,680 · 61rI VVS13,564 · 56rE VS13,165 · 62rD VS12,928 · 63rG VVS12,831 · 61rF VVS22,525 · 63rD VVS22,429 · 57rF VVS12,421 · 65rE VVS12,132 · 61rE VVS21,934 · 61rD VVS11,781 · 59rI IF1,273 · 51rG IF1,212 · 54rH IF1,202 · 52rE IF876 · 54rF IF751 · 54rD IF633 · 55rD FL344 · 38rE FL61 · 31rF FL45 · 24rG FL39 · 18rI FL25 · 8rH 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 28,402 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 51%, about £2,107.

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.