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Carat Hunter · Where to buy diamonds

Where to buy a 1.5ct lab-grown round diamond

Every retailer in our index stocking this size and shape, 71 of them, across 758,693 current listings.

Updated October 29, 2026 · Independent. Zero affiliate revenue.

The market at this size and shape

Active listings

758,693

Retailers carrying

71

Median confirmed price

A$455

Grade combinations

32

Certificate mix:IGI 732,530 · GIA 4,708 · GCAL 4,290 · HRD 8

What it actually costs

Half of these diamonds are listed between A$343 and A$743 (as of October 29, 2026).

Lower 10% A$313Median A$455Upper 10% A$1,395

Middle half listed between A$343 to A$743

Certificated stones with a recently confirmed price only, 68,706 of them. Each contributes its cheapest confirmed price.

The same stone, priced differently

Typical spread

333%

Typical difference

A$1,363

Stones compared

54,787

Across 54,787 stones of this size and shape carried by more than one retailer, the dearest listing sits 333% above the cheapest for the identical certificated diamond, a typical gap of A$1,363. 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.

  3. 3Aurelinne40,102 in stock
    United States·Founded 2021·30-day returns·Ships to Australia
    Terms not yet verified
    Visit Aurelinne
  4. 4NZ Jewellers38,603 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
  7. 7

    The Perfect Carat

    32,256 in stock
    US
    Terms not yet verified
  10. 10B2C Jewels30,169 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
Show 15 more retailers
  4. 14Adiamor25,617 in stock
    United States·Founded 1999·30-day returns
    Terms not yet verified
    Visit Adiamor
  5. 15Yorxs22,821 in stock
    Germany·Founded 2011·100-day returns
    Terms not yet verified
    Visit Yorxs
  6. 16Rare Carat22,793 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
  7. 17Cape Diamonds21,071 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

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.

18 of the 25 retailers ship to Australia. 7 do not.

Narrow it down by grade

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

D VVS2148,352 · 59rE VVS2109,303 · 58rD VS183,458 · 55rD VVS174,189 · 58rE VS168,286 · 55rF VVS238,396 · 59rE VVS136,180 · 56rF VS131,002 · 55rE VS224,062 · 49rD VS223,376 · 48rD IF18,637 · 55rF VVS118,618 · 53rD FL15,064 · 43rG VS113,222 · 48rG VVS212,325 · 49rF VS211,336 · 47rG VVS16,301 · 44rG VS25,027 · 42rE IF4,300 · 47rI VS13,811 · 35rH VS12,573 · 33rH VVS22,493 · 35rE FL1,809 · 38rI VS21,693 · 27rI VVS21,310 · 26rH VS21,121 · 35rF IF1,087 · 39rH VVS1555 · 34rG IF457 · 34rF FL222 · 29rI VVS187 · 21rH IF33 · 19r

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 54,787 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 333%, about A$1,363.

Can I see retailers for one exact grade?

Yes. Each of the 32 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 1.5ct Lab Grown Round Diamonds | Carat Hunter