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Carat Hunter · Where to buy diamonds

Where to buy a 3ct natural princess diamond

Every retailer in our index stocking this size and shape, 58 of them, across 1,987 live listings.

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

The market at this size and shape

Active listings

1,987

Retailers carrying

58

Median active price

£19,069

Grade combinations

23

Certificate mix:GIA 1,363 · IGI 265 · HRD 72

What it actually costs

Lower 10% £10,772Median £19,069Upper 10% £34,383

Middle half sell between £13,794 to £26,544

Certificated stones with a live price only, 731 of them. Each contributes its best available price.

The same stone, priced differently

Typical spread

26%

Typical difference

£4,615

Stones compared

483

Across 483 stones of this size and shape carried by more than one retailer, the dearest listing sits 26% above the cheapest for the identical certificated diamond, a typical gap of £4,615. 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 VS2271 · 42rH VS2228 · 41rG VS2201 · 37rI VS1184 · 38rG VS1130 · 39rH VS1119 · 32rI VVS2107 · 26rH VVS1103 · 41rG VVS286 · 40rI VVS179 · 28rH VVS266 · 32rF VS163 · 25rI IF57 · 25rE VS250 · 29rF VS242 · 23rD VVS237 · 33rE VS123 · 21rG VVS121 · 18rG IF21 · 18rD VS217 · 13rD IF16 · 15rF VVS215 · 12rD VS111 · 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 483 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 26%, about £4,615.

Can I see retailers for one exact grade?

Yes. Each of the 23 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 3ct Natural Princess Diamonds | Carat Hunter