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Carat Hunter · Where to buy diamonds

Where to buy a 0.75ct lab-grown princess diamond

Every retailer in our index stocking this size and shape, 45 of them, across 18,668 live listings.

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

The market at this size and shape

Active listings

18,668

Retailers carrying

45

Median active price

£310

Grade combinations

31

Certificate mix:IGI 16,390 · GCAL 915 · GIA 300 · AGS 2

What it actually costs

Lower 10% £102Median £310Upper 10% £1,224

Middle half sell between £185 to £606

Certificated stones with a live price only, 3,604 of them. Each contributes its best available price.

The same stone, priced differently

Typical spread

158%

Typical difference

£349

Stones compared

2,078

Across 2,078 stones of this size and shape carried by more than one retailer, the dearest listing sits 158% above the cheapest for the identical certificated diamond, a typical gap of £349. 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.

Narrow it down by grade

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

D VVS24,342 · 43rD VVS13,012 · 34rD VS12,198 · 37rE VVS21,704 · 36rE VS11,449 · 38rE VVS11,421 · 35rF VS1997 · 31rE VS2518 · 28rD VS2451 · 30rF VVS2448 · 34rD IF409 · 31rG VS1359 · 28rF VS2306 · 27rF VVS1183 · 31rH VS1116 · 20rH VVS2109 · 24rG VS2105 · 24rG VVS2100 · 24rI VS174 · 21rG VVS167 · 21rE IF52 · 14rF IF30 · 19rI VS229 · 9rH VS229 · 11rH VVS129 · 10rG IF27 · 7rD FL25 · 15rI VVS125 · 6rI VVS221 · 7rH IF14 · 4rI IF10 · 5r

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.
  • Lab-grown: chemically identical to natural diamonds, typically 60% to 80% less than a comparable natural cohort.

Frequently asked

How much do retailers differ on the same diamond?

Across 2,078 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 158%, about £349.

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.