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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, 60 of them, across 145,812 current listings.

Updated October 31, 2026 · Independent. Zero affiliate revenue.

The market at this size and shape

Active listings

145,812

Retailers carrying

60

Median confirmed price

NZ$486

Grade combinations

31

Certificate mix:IGI 138,663 · GIA 996 · GCAL 706 · HRD 142 · AGS 2

What it actually costs

Half of these diamonds are listed between NZ$364 and NZ$851 (as of October 31, 2026).

Lower 10% NZ$256Median NZ$486Upper 10% NZ$1,029

Middle half listed between NZ$364 to NZ$851

Certificated stones with a recently confirmed price only, 18,777 of them. Each contributes its cheapest confirmed price.

The same stone, priced differently

Typical spread

373%

Typical difference

NZ$1,540

Stones compared

11,827

Across 11,827 stones of this size and shape carried by more than one retailer, the dearest listing sits 373% above the cheapest for the identical certificated diamond, a typical gap of NZ$1,540. 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.

  4. 4Rare Carat9,100 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
  6. 6B2C Jewels8,755 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
  8. 8Aurelinne6,035 in stock
    United States·Founded 2021·30-day returns·Ships to New Zealand
    Terms not yet verified
    Visit Aurelinne
  9. 9Yorxs5,302 in stock
    Germany·Founded 2011·100-day returns
    Terms not yet verified
    Visit Yorxs
  10. 10NZ Jewellers5,295 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
  1. 11Adiamor4,874 in stock
    United States·Founded 1999·30-day returns
    Terms not yet verified
    Visit Adiamor
  3. 13

    The Perfect Carat

    4,697 in stock
    US
    Terms not yet verified
  8. 18Cape Diamonds2,997 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
  15. 25

    GemTrove

    2,098 in stock
    AU
    Terms not yet verified

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.

14 of the 25 retailers ship to New Zealand. 11 do not.

Narrow it down by grade

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

D VVS241,312 · 50rD VVS131,684 · 51rD VS120,928 · 51rE VVS210,686 · 49rE VS18,444 · 48rE VVS17,568 · 48rD VS26,829 · 45rD IF3,678 · 47rD FL3,097 · 38rE VS23,050 · 36rF VVS22,320 · 43rF VS11,699 · 38rF VVS1974 · 41rE IF927 · 32rF VS2564 · 36rG VVS2401 · 34rG VS1380 · 32rH VVS2204 · 26rE FL198 · 31rG VS2173 · 25rF IF119 · 32rG VVS198 · 24rH VS295 · 21rH VS185 · 23rI VS272 · 20rI VVS262 · 21rH VVS161 · 21rI VS147 · 18rI IF18 · 14rF FL16 · 14rI VVS114 · 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?

Across 11,827 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 373%, about NZ$1,540.

Can I see retailers for one exact grade?

Yes. Each of the 31 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 0.75ct Lab Grown Round Diamonds | Carat Hunter