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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 113,443 current listings.

Updated November 4, 2026 · Independent. Zero affiliate revenue.

The market at this size and shape

Active listings

113,443

Retailers carrying

61

Median confirmed price

NZ$483

Grade combinations

29

Certificate mix:IGI 106,589 · GIA 1,269 · GCAL 756 · HRD 22

What it actually costs

Half of these diamonds are listed between NZ$349 and NZ$801 (as of November 4, 2026).

Lower 10% NZ$314Median NZ$483Upper 10% NZ$1,499

Middle half listed between NZ$349 to NZ$801

Certificated stones with a recently confirmed price only, 10,319 of them. Each contributes its cheapest confirmed price.

The same stone, priced differently

Typical spread

317%

Typical difference

NZ$1,308

Stones compared

8,420

Across 8,420 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 NZ$1,308. 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. 3NZ Jewellers6,033 in stock
    New Zealand·Founded 2006·30-day returns·Ships to New Zealand
    Terms read on the retailer’s own site, October 19, 2026
    Visit NZ Jewellers
  4. 4Rare Carat5,990 in stock
    United States·Founded 2016·30-day returns·Ships to New Zealand
    Terms read on the retailer’s own site, October 19, 2026
    Visit Rare Carat
  5. 5

    The Perfect Carat

    5,986 in stock
    US
    Terms not yet verified
  8. 8Aurelinne5,094 in stock
    United States·Founded 2021·30-day returns·Ships to New Zealand
    Terms not yet verified
    Visit Aurelinne
  10. 10Adiamor4,311 in stock
    United States·Founded 1999·30-day returns
    Terms not yet verified
    Visit Adiamor
Show 15 more retailers
  1. 11B2C Jewels4,167 in stock
    United States·Founded 2004·30-day returns·Ships to New Zealand
    Terms read on the retailer’s own site, October 19, 2026
    Visit B2C Jewels
  5. 15Moon Ocean2,871 in stock
    United Kingdom·Founded 2022·30-day returns·Ships to New Zealand
    Terms not yet verified
    Visit Moon Ocean
  7. 17Yorxs2,674 in stock
    Germany·Founded 2011·100-day returns
    Terms not yet verified
    Visit Yorxs
  8. 18Cape Diamonds2,533 in stock
    South Africa·Founded 2005·7-day returns·Ships to New Zealand
    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.

15 of the 25 retailers ship to New Zealand. 10 do not.

Narrow it down by grade

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

D VVS222,448 · 55rE VVS214,872 · 54rE VS114,389 · 55rD VVS112,998 · 56rD VS112,196 · 54rE VVS19,336 · 53rD IF4,358 · 49rF VVS24,266 · 47rF VS13,448 · 44rE VS23,305 · 42rD VS22,413 · 45rE IF2,247 · 44rG VS11,235 · 41rG VVS21,154 · 41rF VS21,077 · 43rF VVS11,026 · 45rD FL913 · 39rG VS2339 · 37rH VS1280 · 30rG VVS1278 · 37rF IF268 · 31rH VVS2249 · 33rH VS2133 · 34rG IF79 · 31rI VS164 · 25rH VVS128 · 16rI VVS216 · 15rE FL15 · 15rI 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 8,420 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 317%, about NZ$1,308.

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.