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Carat Hunter · Where to buy diamonds

Where to buy a 1.5ct lab-grown round diamond

Every retailer in our index stocking this size and shape, 71 of them, across 758,055 current listings.

Updated November 1, 2026 · Independent. Zero affiliate revenue.

The market at this size and shape

Active listings

758,055

Retailers carrying

71

Median confirmed price

NZ$589

Grade combinations

32

Certificate mix:IGI 728,224 · GIA 4,706 · GCAL 4,514 · HRD 8

What it actually costs

Half of these diamonds are listed between NZ$431 and NZ$928 (as of November 1, 2026).

Lower 10% NZ$392Median NZ$589Upper 10% NZ$1,673

Middle half listed between NZ$431 to NZ$928

Certificated stones with a recently confirmed price only, 68,245 of them. Each contributes its cheapest confirmed price.

The same stone, priced differently

Typical spread

326%

Typical difference

NZ$1,706

Stones compared

54,509

Across 54,509 stones of this size and shape carried by more than one retailer, the dearest listing sits 326% above the cheapest for the identical certificated diamond, a typical gap of NZ$1,706. 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. 3Aurelinne41,119 in stock
    United States·Founded 2021·30-day returns·Ships to New Zealand
    Terms not yet verified
    Visit Aurelinne
  4. 4NZ Jewellers39,742 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
  7. 7

    The Perfect Carat

    32,327 in stock
    US
    Terms not yet verified
  10. 10B2C Jewels30,224 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
Show 15 more retailers
  3. 13Adiamor25,483 in stock
    United States·Founded 1999·30-day returns
    Terms not yet verified
    Visit Adiamor
  4. 14Moon Ocean25,253 in stock
    United Kingdom·Founded 2022·30-day returns·Ships to New Zealand
    Terms not yet verified
    Visit Moon Ocean
  6. 16Rare Carat22,794 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
  7. 17Yorxs21,597 in stock
    Germany·Founded 2011·100-day returns
    Terms not yet verified
    Visit Yorxs
  8. 18Cape Diamonds21,071 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.

16 of the 25 retailers ship to New Zealand. 9 do not.

Narrow it down by grade

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

D VVS2148,988 · 59rE VVS2108,361 · 58rD VS182,802 · 55rD VVS174,257 · 58rE VS167,911 · 55rF VVS238,215 · 59rE VVS136,548 · 56rF VS131,025 · 54rE VS224,020 · 49rD VS223,536 · 48rF VVS118,964 · 53rD IF18,869 · 55rD FL15,202 · 43rG VS112,993 · 49rG VVS211,940 · 49rF VS211,408 · 47rG VVS16,371 · 44rG VS25,033 · 42rE IF4,381 · 45rI VS13,803 · 35rH VS12,559 · 33rH VVS22,470 · 35rE FL1,834 · 38rI VS21,685 · 27rI VVS21,311 · 26rH VS21,121 · 34rF IF1,088 · 39rH VVS1550 · 34rG IF461 · 34rF FL222 · 29rI VVS186 · 21rH IF33 · 19r

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

  • Round: the most common cut, with the highest light return per carat.
  • 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 54,509 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 326%, about NZ$1,706.

Can I see retailers for one exact grade?

Yes. Each of the 32 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.