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Carat Hunter · Where to buy diamonds

Where to buy a 1ct lab-grown princess diamond

Every retailer in our index stocking this size and shape, 61 of them, across 108,737 current listings.

Updated October 31, 2026 · Independent. Zero affiliate revenue.

The market at this size and shape

Active listings

108,737

Retailers carrying

61

Median confirmed price

£216

Grade combinations

29

Certificate mix:IGI 102,422 · GIA 1,271 · GCAL 766 · HRD 22

What it actually costs

Half of these diamonds are listed between £151 and £333 (as of October 31, 2026).

Lower 10% £134Median £216Upper 10% £654

Middle half listed between £151 to £333

Certificated stones with a recently confirmed price only, 10,107 of them. Each contributes its cheapest confirmed price.

The same stone, priced differently

Typical spread

317%

Typical difference

£548

Stones compared

8,106

Across 8,106 stones of this size and shape carried by more than one retailer, the dearest listing sits 317% above the cheapest for the identical certificated diamond, a typical gap of £548. 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.

  3. 3Rare Carat6,000 in stock
    United States·Founded 2016·30-day returns·Ships to United Kingdom
    Terms read on the retailer’s own site, October 19, 2026
    Visit Rare Carat
  5. 5

    The Perfect Carat

    5,381 in stock
    US
    Terms not yet verified
  6. 6NZ Jewellers5,276 in stock
    New Zealand·Founded 2006·30-day returns·Ships to United Kingdom
    Terms read on the retailer’s own site, October 19, 2026
    Visit NZ Jewellers
  7. 7Aurelinne5,070 in stock
    United States·Founded 2021·30-day returns·Ships to United Kingdom
    Terms not yet verified
    Visit Aurelinne
  9. 9Adiamor4,428 in stock
    United States·Founded 1999·30-day returns
    Terms not yet verified
    Visit Adiamor
Show 15 more retailers
  1. 11B2C Jewels4,367 in stock
    United States·Founded 2004·30-day returns·Ships to United Kingdom
    Terms read on the retailer’s own site, October 19, 2026
    Visit B2C Jewels
  3. 13Moon Ocean3,364 in stock
    United Kingdom·Founded 2022·30-day returns·Ships to United Kingdom
    Terms not yet verified
    Visit Moon Ocean
  7. 17Yorxs2,752 in stock
    Germany·Founded 2011·100-day returns
    Terms not yet verified
    Visit Yorxs
  8. 18Cape Diamonds2,540 in stock
    South Africa·Founded 2005·7-day returns·Ships to United Kingdom
    Terms read on the retailer’s own site, June 15, 2026
    Visit Cape Diamonds

Stock counts are updated daily. Founded and shipping details come from public sources. Return terms are our summary of each retailer's own policy page, dated per retailer above. Retailers change their terms, so check the retailer's own returns and shipping pages before you buy.

16 of the 25 retailers ship to United Kingdom. 9 do not.

Narrow it down by grade

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

D VVS221,899 · 54rE VVS214,033 · 53rE VS113,294 · 54rD VVS112,973 · 55rD VS111,375 · 53rE VVS19,276 · 52rD IF4,327 · 49rF VVS23,989 · 46rE VS23,114 · 42rF VS13,013 · 46rD VS22,305 · 44rE IF2,233 · 43rG VS11,147 · 41rG VVS21,097 · 42rF VS21,043 · 43rF VVS1984 · 45rD FL913 · 39rG VS2305 · 33rG VVS1283 · 37rH VS1281 · 30rF IF261 · 31rH VVS2237 · 32rH VS2140 · 35rG IF79 · 31rI VS165 · 25rH VVS128 · 16rE FL15 · 14rI VVS215 · 14rI VVS110 · 10r

Stones at this spec now

Current 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 at least 90% less than a comparable natural cohort from 1 carat up.

Frequently asked

How much do retailers differ on the same diamond?

Across 8,106 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 317%, about £548.

Can I see retailers for one exact grade?

Yes. Each of the 29 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?

Listings refresh as we re-read each retailer, most of them every day. 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.