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Carat Hunter · Where to buy diamonds

Where to buy a 0.5ct natural marquise diamond

Every retailer in our index stocking this size and shape, 68 of them, across 106,400 current listings.

Updated November 6, 2026 · Independent. Zero affiliate revenue.

The market at this size and shape

Active listings

106,400

Retailers carrying

68

Median confirmed price

NZ$1,458

Grade combinations

58

Certificate mix:GIA 95,479 · IGI 6,143 · HRD 136 · AGS 7

What it actually costs

Half of these diamonds are listed between NZ$1,164 and NZ$1,836 (as of November 6, 2026).

Lower 10% NZ$970Median NZ$1,458Upper 10% NZ$2,317

Middle half listed between NZ$1,164 to NZ$1,836

Certificated stones with a recently confirmed price only, 12,803 of them. Each contributes its cheapest confirmed price.

The same stone, priced differently

As of November 6, 2026, the same certified diamond typically costs 44% more at a typical retailer than at the cheapest for lab-grown stones, and 20% more for natural ones (the median across stones listed by two or more retailers). Comparing shows you the cheapest of the retailers listing the same stone.

Every retailer that stocks this spec

Ranked by active inventory count. Selection is mechanical, not editorial.

  1. 1Rare Carat9,528 in stock
    United States·Founded 2016·GIA, IGI·30-day returns·Ships to New Zealand
    Terms read on the retailer’s own site, October 19, 2026
    Visit Rare Carat
  4. 4NZ Jewellers5,000 in stock
    New Zealand·Founded 2006·EGL, GIA, HRD, IGI·30-day returns·Ships to New Zealand
    Terms read on the retailer’s own site, October 19, 2026
    Visit NZ Jewellers
  6. 6Carbon Sparkle4,008 in stock
    United States·EGL, GIA, HRD, IGI·21-day returns·Ships to New Zealand
    Terms read on the retailer’s own site, September 2, 2026
    Visit Carbon Sparkle
  8. 8Yorxs3,706 in stock
    Germany·Founded 2011·AGS, GIA, HRD, IGI
    Terms not yet verified
    Visit Yorxs
  9. 9Brilliance3,635 in stock
    United States·Founded 2002·AGS, EGL, GIA, IGI·Ships to New Zealand
    Terms not yet verified
    Visit Brilliance
Show 58 more retailers
  1. 11Aurelinne3,523 in stock
    United States·Founded 2021·EGL, GIA, HRD, IGI·Ships to New Zealand
    Terms not yet verified
    Visit Aurelinne
  3. 13

    The Perfect Carat

    3,286 in stock
    US·EGL, GIA, HRD, IGI
    Terms not yet verified
  6. 16B2C Jewels2,144 in stock
    United States·Founded 2004·AGS, GIA, HRD, IGI·30-day returns·Ships to New Zealand
    Terms read on the retailer’s own site, October 19, 2026
    Visit B2C Jewels
  7. 17RockHer1,988 in stock
    United States·Founded 2016·GIA, IGI·Ships to New Zealand
    Terms not yet verified
    Visit RockHer
  11. 21Cape Diamonds1,822 in stock
    South Africa·Founded 2005·GIA, IGI·7-day returns·Ships to New Zealand
    Terms read on the retailer’s own site, June 15, 2026
    Visit Cape Diamonds
  12. 22

    GemTrove

    1,768 in stock
    AU·GIA, IGI
    Terms not yet verified
  22. 32Allurez1,214 in stock
    United States·Founded 2010·GIA, IGI·Ships to New Zealand
    Terms not yet verified
    Visit Allurez
  24. 34ZCOVA1,150 in stock
    Malaysia·Founded 2015·GIA·Ships to New Zealand
    Terms not yet verified
    Visit ZCOVA
  38. 48Zales341 in stock
    United States·Founded 1924·GIA
    Terms not yet verified
    Visit Zales
  39. 49Jared333 in stock
    United States·Founded 1993·GIA
    Terms not yet verified
    Visit Jared
  56. 66GemsNY2 in stock
    United States·Founded 1988·GIA·Ships to New Zealand
    Terms not yet verified
    Visit GemsNY

Stock counts reflect current listings. 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.

37 of the 65 retailers with shipping details ship to New Zealand. 28 do not. 3 retailers have not published any shipping details.

Narrow it down by grade

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

D VS25,434 · 60rD VS15,249 · 60rD VVS15,107 · 58rD SI15,071 · 59rD VVS24,274 · 58rE VS24,138 · 59rE VS14,053 · 58rE SI13,790 · 58rF VS13,670 · 61rF SI13,370 · 56rF VS23,323 · 60rG VS23,050 · 60rG VS12,799 · 58rH VS12,799 · 59rF VVS22,543 · 58rF VVS12,479 · 56rE VVS12,394 · 56rE VVS22,317 · 57rG SI12,236 · 55rD SI22,235 · 50rD IF2,031 · 58rH VVS21,960 · 55rH VS21,959 · 57rE SI21,910 · 47rF SI21,900 · 48rH VVS11,838 · 57rG VVS21,752 · 58rI VS11,734 · 53rH SI11,732 · 55rG VVS11,650 · 55rI VS21,414 · 49rI SI11,380 · 47rG SI21,222 · 47rE IF1,148 · 50rI VVS21,072 · 49rI VVS11,061 · 50rH SI2907 · 46rJ VS1832 · 48rH IF830 · 51rJ SI1827 · 45rF IF775 · 47rJ VVS2743 · 48rJ VS2739 · 47rJ VVS1673 · 47rI SI2637 · 40rG IF583 · 45rI IF524 · 49rJ IF505 · 42rK VS1341 · 35rJ SI2249 · 31rK SI1214 · 34rD FL207 · 36rK VVS2160 · 30rK VS2149 · 33rK SI2143 · 25rK VVS1135 · 29rK IF57 · 25rE FL39 · 22r

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.
  • Natural: mined diamonds with the certification, provenance and resale profile traditional buyers expect.

Frequently asked

How much do retailers differ on the same diamond?

As of November 6, 2026, the same certified diamond typically costs 44% more at a typical retailer than at the cheapest for lab-grown stones, and 20% more for natural ones (the median across stones listed by two or more retailers). Comparing shows you the cheapest of the retailers listing the same stone.

Can I see retailers for one exact grade?

Yes. Each of the 58 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 0.5ct Natural Marquise Diamonds | Carat Hunter