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Carat Hunter · Where to buy diamonds

Where to buy a 0.75ct lab-grown round diamond

Every retailer in our index stocking this size and shape, 68 of them, across 151,935 current listings.

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

The market at this size and shape

Active listings

151,935

Retailers carrying

68

Median confirmed price

NZ$478

Grade combinations

53

Certificate mix:IGI 143,585 · GIA 1,237 · GCAL 786 · HRD 147 · AGS 2

What it actually costs

Half of these diamonds are listed between NZ$349 and NZ$853 (as of November 6, 2026).

Lower 10% NZ$256Median NZ$478Upper 10% NZ$1,030

Middle half listed between NZ$349 to NZ$853

Certificated stones with a recently confirmed price only, 18,516 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.

  3. 3Rare Carat10,428 in stock
    United States·Founded 2016·GCAL, GIA, HRD, IGI·30-day returns·Ships to New Zealand
    Terms read on the retailer’s own site, October 19, 2026
    Visit Rare Carat
  6. 6B2C Jewels8,500 in stock
    United States·Founded 2004·AGS, GCAL, GIA, HRD·30-day returns·Ships to New Zealand
    Terms read on the retailer’s own site, October 19, 2026
    Visit B2C Jewels
  8. 8Aurelinne5,755 in stock
    United States·Founded 2021·GCAL, GIA, GSI, HRD·Ships to New Zealand
    Terms not yet verified
    Visit Aurelinne
  9. 9

    The Perfect Carat

    5,592 in stock
    US·GCAL, GIA, GSI, HRD
    Terms not yet verified
  10. 10NZ Jewellers5,568 in stock
    New Zealand·Founded 2006·GCAL, GIA, GSI, HRD·30-day returns·Ships to New Zealand
    Terms read on the retailer’s own site, October 19, 2026
    Visit NZ Jewellers
Show 58 more retailers
  2. 12Yorxs5,340 in stock
    Germany·Founded 2011·GIA, HRD, IGI
    Terms not yet verified
    Visit Yorxs
  3. 13Carbon Sparkle5,287 in stock
    United States·GCAL, GIA, GSI, HRD·21-day returns·Ships to New Zealand
    Terms read on the retailer’s own site, September 2, 2026
    Visit Carbon Sparkle
  4. 14Adiamor4,842 in stock
    United States·Founded 1999·GCAL, GIA, IGI
    Terms not yet verified
    Visit Adiamor
  9. 19Cape Diamonds2,879 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
  15. 25

    GemTrove

    2,188 in stock
    AU·GCAL, GIA, IGI
    Terms not yet verified
  22. 32GemsNY917 in stock
    United States·Founded 1988·IGI·Ships to New Zealand
    Terms not yet verified
    Visit GemsNY
  24. 34Allurez506 in stock
    United States·Founded 2010·HRD, IGI·Ships to New Zealand
    Terms not yet verified
    Visit Allurez
  26. 36Jared330 in stock
    United States·Founded 1993·GIA, IGI
    Terms not yet verified
    Visit Jared
  31. 41Zales211 in stock
    United States·Founded 1924·GIA, IGI
    Terms not yet verified
    Visit Zales
  34. 4425karats124 in stock
    United States·Founded 2008·IGI·60-day returns·Ships to New Zealand
    Terms read on the retailer’s own site, June 15, 2026
    Visit 25karats
  37. 47ZCOVA84 in stock
    Malaysia·Founded 2015·IGI·Ships to New Zealand
    Terms not yet verified
    Visit ZCOVA
  40. 50

    Whiteflash

    26 in stock
    US·IGI
    Terms not yet verified
  46. 56

    Diamond Culture

    6 in stock
    HK·GIA, IGI
    Terms not yet verified
  56. 66

    Good Old Gold

    1 in stock
    US·IGI
    Terms not yet verified

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 62 retailers with shipping details ship to New Zealand. 25 do not. 6 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 VVS241,189 · 51rD VVS131,257 · 52rD VS121,498 · 52rE VVS210,936 · 49rE VS18,887 · 49rE VVS17,618 · 48rD VS26,893 · 45rD IF3,724 · 47rE VS23,175 · 36rD FL3,174 · 39rF VVS22,429 · 43rD SI12,101 · 31rF VS11,846 · 35rE SI11,322 · 29rF VVS1992 · 40rE IF898 · 30rF VS2575 · 36rG VS1421 · 33rG VVS2413 · 36rD SI2287 · 26rE SI2254 · 31rE FL212 · 31rH VVS2209 · 26rG VS2175 · 25rF SI1162 · 29rF IF118 · 31rG VVS1110 · 23rH VS2101 · 22rH VS189 · 23rG SI175 · 21rI VS268 · 19rF SI264 · 20rH VVS163 · 21rG SI261 · 14rI VVS259 · 20rI SI158 · 15rI VS146 · 17rH SI244 · 19rH SI141 · 21rJ VS131 · 18rJ SI226 · 13rK SI222 · 14rK VS120 · 9rK VS220 · 7rJ SI118 · 10rK VVS118 · 7rI IF17 · 14rJ VVS217 · 9rI SI215 · 12rJ VS215 · 8rK SI115 · 8rF FL14 · 14rI VVS113 · 7r

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?

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 53 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.