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Carat Hunter · Where to buy diamonds

Where to buy a 1.5ct natural princess diamond

Every retailer in our index stocking this size and shape, 63 of them, across 16,075 live listings.

Updated September 18, 2026 · Independent. Zero affiliate revenue.

The market at this size and shape

Active listings

16,075

Retailers carrying

63

Median active price

£3,649

Grade combinations

31

Certificate mix:GIA 12,482 · IGI 1,695 · HRD 345 · AGS 2

What it actually costs

Lower 10% £2,048Median £3,649Upper 10% £7,370

Middle half sell between £2,689 to £5,244

Certificated stones with a live price only, 4,462 of them. Each contributes its best available price.

The same stone, priced differently

Typical spread

40%

Typical difference

£1,266

Stones compared

3,098

Across 3,098 stones of this size and shape carried by more than one retailer, the dearest listing sits 40% above the cheapest for the identical certificated diamond, a typical gap of £1,266. 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 September 2, 2026.

6 of the 25 retailers ship to United Kingdom. 19 do not.

Narrow it down by grade

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

H VS11,416 · 56rI VS11,335 · 47rI VS21,291 · 48rI VVS21,265 · 48rH VS21,218 · 52rG VS21,094 · 49rG VS1974 · 49rF VS2848 · 50rH VVS2808 · 47rI VVS1732 · 46rG VVS2702 · 52rF VS1618 · 49rH VVS1597 · 47rE VS1528 · 52rE VS2516 · 50rG VVS1412 · 47rD VS2310 · 45rF VVS1278 · 48rF VVS2165 · 38rI IF160 · 34rH IF142 · 42rG IF140 · 33rD VS1135 · 40rE VVS1127 · 43rE VVS281 · 30rD VVS154 · 31rD VVS239 · 20rF IF38 · 26rE IF17 · 14rI FL12 · 11rF 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

  • Princess: a square brilliant cut, second only to round in popularity.
  • 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 3,098 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 40%, about £1,266.

Can I see retailers for one exact grade?

Yes. Each of the 31 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.