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Carat Hunter · Where to buy diamonds

Where to buy a 1ct lab-grown round diamond

Every retailer in our index stocking this size and shape, 72 of them, across 958,972 current listings.

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

The market at this size and shape

Active listings

958,972

Retailers carrying

72

Median confirmed price

A$379

Grade combinations

55

Certificate mix:IGI 912,910 · GIA 6,641 · GCAL 5,315 · HRD 238 · AGS 11

What it actually costs

Half of these diamonds are listed between A$259 and A$533 (as of November 6, 2026).

Lower 10% A$236Median A$379Upper 10% A$804

Middle half listed between A$259 to A$533

Certificated stones with a recently confirmed price only, 82,735 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. 1Aurelinne63,011 in stock
    United States·Founded 2021·GCAL, GIA, GSI, HRD·Ships to Australia
    Terms not yet verified
    Visit Aurelinne
  3. 3Carbon Sparkle59,094 in stock
    United States·GCAL, GIA, GSI, HRD·21-day returns·Ships to Australia
    Terms read on the retailer’s own site, September 2, 2026
    Visit Carbon Sparkle
  4. 4NZ Jewellers54,727 in stock
    New Zealand·Founded 2006·GCAL, GIA, GSI, HRD·30-day returns·Ships to Australia
    Terms read on the retailer’s own site, October 19, 2026
    Visit NZ Jewellers
  7. 7

    The Perfect Carat

    50,122 in stock
    US·GCAL, GIA, GSI, HRD
    Terms not yet verified
  9. 9B2C Jewels41,604 in stock
    United States·Founded 2004·AGS, GCAL, GIA, HRD·30-day returns·Ships to Australia
    Terms read on the retailer’s own site, October 19, 2026
    Visit B2C Jewels
Show 62 more retailers
  3. 13Yorxs28,081 in stock
    Germany·Founded 2011·GCAL, GIA, HRD, IGI
    Terms not yet verified
    Visit Yorxs
  4. 14Adiamor27,909 in stock
    United States·Founded 1999·GCAL, GIA, IGI
    Terms not yet verified
    Visit Adiamor
  8. 18Cape Diamonds25,636 in stock
    South Africa·Founded 2005·GCAL, GIA, IGI·7-day returns·Ships to Australia
    Terms read on the retailer’s own site, June 15, 2026
    Visit Cape Diamonds
  11. 21Rare Carat21,298 in stock
    United States·Founded 2016·GCAL, GIA, IGI·30-day returns·Ships to Australia
    Terms read on the retailer’s own site, October 19, 2026
    Visit Rare Carat
  20. 30GemsNY7,212 in stock
    United States·Founded 1988·GCAL, GIA, IGI·Ships to Australia
    Terms not yet verified
    Visit GemsNY
  22. 32

    GemTrove

    6,777 in stock
    AU·GCAL, GIA, IGI·Ships to Australia
    Terms not yet verified
  28. 38Allurez1,250 in stock
    United States·Founded 2010·IGI·Ships to Australia
    Terms not yet verified
    Visit Allurez
  29. 39RockHer1,218 in stock
    United States·Founded 2016·GIA, IGI·Ships to Australia
    Terms not yet verified
    Visit RockHer
  30. 40Blue Nile986 in stock
    United States·Founded 1999·GCAL, GIA, HRD, IGI·Ships to Australia
    Terms not yet verified
    Visit Blue Nile
  32. 42Jared569 in stock
    United States·Founded 1993·GCAL, GIA, IGI
    Terms not yet verified
    Visit Jared
  34. 44Zales502 in stock
    United States·Founded 1924·GCAL, GIA, IGI
    Terms not yet verified
    Visit Zales
  35. 45ZCOVA331 in stock
    Malaysia·Founded 2015·IGI·Ships to Australia
    Terms not yet verified
    Visit ZCOVA
  39. 4925karats213 in stock
    United States·Founded 2008·IGI·60-day returns·Ships to Australia
    Terms read on the retailer’s own site, June 15, 2026
    Visit 25karats
  45. 55VRAI68 in stock
    United States·Founded 2014·Ships to Australia
    Terms not yet verified
    Visit VRAI
  46. 56

    Diamond Culture

    32 in stock
    HK·GIA, IGI
    Terms not yet verified
  51. 61

    Diamovida

    9 in stock
    CA·IGI
    Terms not yet verified
  54. 64

    Distinctive Gem

    3 in stock
    US·IGI
    Terms not yet verified
  56. 66

    Whiteflash

    3 in stock
    US·IGI
    Terms not yet verified
  59. 69

    Good Old Gold

    2 in stock
    US·IGI
    Terms not yet verified
  60. 70

    Lauren B

    2 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.

45 of the 64 retailers with shipping details ship to Australia. 19 do not. 8 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 VVS2281,753 · 61rD VS1146,384 · 62rD VVS1132,349 · 59rE VVS276,797 · 58rE VS155,191 · 54rE VVS141,688 · 56rD VS232,909 · 51rD IF28,441 · 57rF VVS225,520 · 49rD FL25,059 · 44rE VS224,572 · 49rF VS120,389 · 49rF VVS19,353 · 45rE IF9,031 · 49rG VVS26,729 · 48rG VS16,678 · 44rD SI16,345 · 33rE SI15,763 · 38rF VS25,610 · 45rE FL2,676 · 35rF IF2,117 · 41rG VVS12,030 · 42rG VS21,935 · 40rH VVS21,811 · 35rH VS11,717 · 36rF SI11,092 · 33rE SI2623 · 27rG IF529 · 29rD SI2486 · 28rI SI1437 · 20rI VS1369 · 27rG SI1333 · 24rH VVS1274 · 25rH VS2223 · 26rI VVS2208 · 22rF FL203 · 26rJ VVS2200 · 21rF SI2178 · 29rI VS2108 · 21rJ VS1101 · 23rH SI195 · 25rG SI288 · 20rJ VS277 · 21rH SI265 · 19rJ SI158 · 28rI SI255 · 21rK VS155 · 16rH IF53 · 25rK SI246 · 15rK VS240 · 13rK SI132 · 12rK VVS229 · 16rJ VVS123 · 14rI VVS113 · 9rJ SI211 · 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 55 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.