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Carat Hunter · Where to buy diamonds

Where to buy a 1.5ct lab-grown princess diamond

Every retailer in our index stocking this size and shape, 61 of them, across 93,788 current listings.

Updated October 29, 2026 · Independent. Zero affiliate revenue.

The market at this size and shape

Active listings

93,788

Retailers carrying

61

Median confirmed price

NZ$593

Grade combinations

29

Certificate mix:IGI 85,901 · GCAL 2,740 · GIA 1,470 · HRD 8 · AGS 8

What it actually costs

Half of these diamonds are listed between NZ$438 and NZ$1,069 (as of October 29, 2026).

Lower 10% NZ$394Median NZ$593Upper 10% NZ$2,797

Middle half listed between NZ$438 to NZ$1,069

Certificated stones with a recently confirmed price only, 7,397 of them. Each contributes its cheapest confirmed price.

The same stone, priced differently

Typical spread

404%

Typical difference

NZ$1,943

Stones compared

5,976

Across 5,976 stones of this size and shape carried by more than one retailer, the dearest listing sits 404% above the cheapest for the identical certificated diamond, a typical gap of NZ$1,943. 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 Carat4,855 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
  4. 4

    The Perfect Carat

    4,798 in stock
    US
    Terms not yet verified
  5. 5NZ Jewellers4,647 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
  6. 6Aurelinne4,249 in stock
    United States·Founded 2021·30-day returns·Ships to New Zealand
    Terms not yet verified
    Visit Aurelinne
  8. 8B2C Jewels3,583 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
  10. 10Adiamor3,562 in stock
    United States·Founded 1999·30-day returns
    Terms not yet verified
    Visit Adiamor
Show 15 more retailers
  2. 12Moon Ocean3,459 in stock
    United Kingdom·Founded 2022·30-day returns·Ships to New Zealand
    Terms not yet verified
    Visit Moon Ocean
  8. 18Yorxs2,625 in stock
    Germany·Founded 2011·100-day returns
    Terms not yet verified
    Visit Yorxs
  11. 21Cape Diamonds2,249 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.

E VVS218,481 · 55rE VS116,249 · 56rD VVS214,165 · 55rD VS112,157 · 56rF VVS25,020 · 53rD VVS14,811 · 51rE VVS14,245 · 52rF VS13,874 · 54rE VS22,786 · 49rG VS11,978 · 48rG VVS21,823 · 46rD VS21,782 · 41rF VS21,245 · 45rF VVS11,200 · 49rD IF1,027 · 44rG VS2765 · 37rD FL543 · 34rH VS1364 · 36rE IF360 · 42rH VVS2245 · 31rG VVS1231 · 32rH VS2170 · 31rF IF52 · 27rI VS244 · 17rE FL43 · 23rI VVS241 · 21rF FL32 · 22rI VS128 · 15rH VVS122 · 3r

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 5,976 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 404%, about NZ$1,943.

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.

Where to Buy 1.5ct Lab Grown Princess Diamonds | Carat Hunter