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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, 58 of them, across 64,017 live listings.

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

The market at this size and shape

Active listings

64,017

Retailers carrying

58

Median active price

NZ$741

Grade combinations

30

Certificate mix:IGI 60,419 · GCAL 1,384 · GIA 1,003 · HRD 9 · AGS 6

What it actually costs

Lower 10% NZ$343Median NZ$741Upper 10% NZ$2,788

Middle half sell between NZ$594 to NZ$1,317

Certificated stones with a live price only, 12,183 of them. Each contributes its best available price.

The same stone, priced differently

Typical spread

272%

Typical difference

NZ$1,856

Stones compared

7,863

Across 7,863 stones of this size and shape carried by more than one retailer, the dearest listing sits 272% above the cheapest for the identical certificated diamond, a typical gap of NZ$1,856. 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.

1 of the 25 retailers ship to New Zealand. 24 do not.

Narrow it down by grade

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

E VVS213,252 · 47rE VS110,335 · 49rD VVS210,231 · 53rD VS17,899 · 49rF VVS23,885 · 45rD VVS13,564 · 43rE VVS12,839 · 44rF VS12,288 · 46rE VS21,755 · 42rG VVS21,410 · 36rG VS11,339 · 41rD VS21,140 · 36rF VS2809 · 37rF VVS1708 · 41rD IF508 · 35rG VS2401 · 27rD FL375 · 22rH VS1347 · 31rE IF229 · 32rH VVS2207 · 30rG VVS1174 · 24rH VS2105 · 24rI VS139 · 16rF IF38 · 19rI VS235 · 14rI VVS234 · 14rH VVS128 · 6rE FL12 · 12rI VVS112 · 6rF FL10 · 10r

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 7,863 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 272%, about NZ$1,856.

Can I see retailers for one exact grade?

Yes. Each of the 30 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 1.5ct Lab Grown Princess Diamonds | Carat Hunter