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Carat Hunter · Where to buy diamonds

Where to buy a 1.5ct lab-grown marquise diamond

Every retailer in our index stocking this size and shape, 60 of them, across 137,647 current listings.

Updated November 2, 2026 · Independent. Zero affiliate revenue.

The market at this size and shape

Active listings

137,647

Retailers carrying

60

Median confirmed price

NZ$680

Grade combinations

29

Certificate mix:IGI 133,360 · GCAL 808 · GIA 313 · HRD 9

What it actually costs

Half of these diamonds are listed between NZ$470 and NZ$1,140 (as of November 2, 2026).

Lower 10% NZ$447Median NZ$680Upper 10% NZ$2,147

Middle half listed between NZ$470 to NZ$1,140

Certificated stones with a recently confirmed price only, 12,053 of them. Each contributes its cheapest confirmed price.

The same stone, priced differently

Typical spread

334%

Typical difference

NZ$2,077

Stones compared

9,681

Across 9,681 stones of this size and shape carried by more than one retailer, the dearest listing sits 334% above the cheapest for the identical certificated diamond, a typical gap of NZ$2,077. 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.

  1. 1Rare Carat9,292 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. 7NZ Jewellers5,327 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
Show 15 more retailers
  2. 12

    The Perfect Carat

    4,492 in stock
    US
    Terms not yet verified
  3. 13B2C Jewels4,482 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
  4. 14Adiamor4,370 in stock
    United States·Founded 1999·30-day returns
    Terms not yet verified
    Visit Adiamor
  5. 15Aurelinne4,356 in stock
    United States·Founded 2021·30-day returns·Ships to New Zealand
    Terms not yet verified
    Visit Aurelinne
  8. 18GemsNY3,150 in stock
    United States·Founded 1988·30-day returns·Ships to New Zealand
    Terms not yet verified
    Visit GemsNY
  9. 19Moon Ocean3,089 in stock
    United Kingdom·Founded 2022·30-day returns·Ships to New Zealand
    Terms not yet verified
    Visit Moon Ocean
  13. 23Yorxs2,719 in stock
    Germany·Founded 2011·100-day returns
    Terms not yet verified
    Visit Yorxs
  14. 24Cape Diamonds2,587 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 VVS224,965 · 57rD VVS217,804 · 57rE VS116,594 · 54rD VVS112,548 · 55rD VS110,778 · 53rF VVS29,469 · 55rD FL8,137 · 43rE VVS17,760 · 52rD IF7,551 · 48rF VS16,113 · 50rE VS25,496 · 43rD VS22,364 · 48rF VVS11,598 · 50rE IF1,466 · 45rG VVS21,403 · 43rF VS21,338 · 40rG VS1796 · 39rE FL611 · 34rF IF172 · 31rG VS2159 · 32rH VS1149 · 24rG IF103 · 29rG VVS185 · 28rH VVS264 · 18rH VS238 · 11rH VVS129 · 6rI VS219 · 15rI VVS215 · 6rF FL14 · 14r

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

  • Marquise: a pointed-end ellipse that faces up large for its 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 9,681 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 334%, about NZ$2,077.

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 Marquise Diamonds | Carat Hunter