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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 144,560 current listings.

Updated October 30, 2026 · Independent. Zero affiliate revenue.

The market at this size and shape

Active listings

144,560

Retailers carrying

60

Median confirmed price

A$388

Grade combinations

31

Certificate mix:IGI 137,504 · GIA 998 · GCAL 694 · HRD 142 · AGS 2

What it actually costs

Half of these diamonds are listed between A$292 and A$683 (as of October 30, 2026).

Lower 10% A$205Median A$388Upper 10% A$826

Middle half listed between A$292 to A$683

Certificated stones with a recently confirmed price only, 18,690 of them. Each contributes its cheapest confirmed price.

The same stone, priced differently

Typical spread

394%

Typical difference

A$1,251

Stones compared

11,716

Across 11,716 stones of this size and shape carried by more than one retailer, the dearest listing sits 394% above the cheapest for the identical certificated diamond, a typical gap of A$1,251. 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 Australia
    Terms read on the retailer’s own site, October 19, 2026
    Visit Rare Carat
  6. 6B2C Jewels8,636 in stock
    United States·Founded 2004·30-day returns·Ships to Australia
    Terms read on the retailer’s own site, October 19, 2026
    Visit B2C Jewels
  8. 8Aurelinne5,842 in stock
    United States·Founded 2021·30-day returns·Ships to Australia
    Terms not yet verified
    Visit Aurelinne
  9. 9Yorxs5,300 in stock
    Germany·Founded 2011·100-day returns
    Terms not yet verified
    Visit Yorxs
  10. 10NZ Jewellers5,111 in stock
    New Zealand·Founded 2006·30-day returns·Ships to Australia
    Terms read on the retailer’s own site, October 19, 2026
    Visit NZ Jewellers
Show 15 more retailers
  1. 11Adiamor5,026 in stock
    United States·Founded 1999·30-day returns
    Terms not yet verified
    Visit Adiamor
  3. 13

    The Perfect Carat

    4,466 in stock
    US
    Terms not yet verified
  8. 18Cape Diamonds2,997 in stock
    South Africa·Founded 2005·7-day returns·Ships to Australia
    Terms read on the retailer’s own site, June 15, 2026
    Visit Cape Diamonds
  14. 24

    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.

16 of the 25 retailers ship to Australia. 9 do not.

Narrow it down by grade

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

D VVS240,989 · 50rD VVS131,732 · 51rD VS120,465 · 51rE VVS210,614 · 51rE VS18,341 · 48rE VVS17,538 · 48rD VS26,705 · 45rD IF3,639 · 46rE VS23,025 · 36rD FL3,024 · 38rF VVS22,293 · 43rF VS11,687 · 38rF VVS1995 · 41rE IF933 · 32rF VS2562 · 36rG VVS2390 · 32rG VS1369 · 32rH VVS2203 · 26rE FL191 · 31rG VS2170 · 25rF IF120 · 33rG VVS199 · 25rH VS293 · 21rH VS185 · 23rI VS272 · 20rI VVS262 · 21rH VVS159 · 21rI VS148 · 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 11,716 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 394%, about A$1,251.

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.