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Carat Hunter · Where to buy diamonds

Where to buy a 0.5ct natural round diamond

Every retailer in our index stocking this size and shape, 75 of them, across 1,006,204 current listings.

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

The market at this size and shape

Active listings

1,006,204

Retailers carrying

75

Median confirmed price

A$1,332

Grade combinations

36

Certificate mix:GIA 798,265 · IGI 119,868 · HRD 18,378 · AGS 15

What it actually costs

Half of these diamonds are listed between A$954 and A$1,806 (as of October 31, 2026).

Lower 10% A$717Median A$1,332Upper 10% A$2,411

Middle half listed between A$954 to A$1,806

Certificated stones with a recently confirmed price only, 212,023 of them. Each contributes its cheapest confirmed price.

The same stone, priced differently

Typical spread

85%

Typical difference

A$934

Stones compared

116,846

Across 116,846 stones of this size and shape carried by more than one retailer, the dearest listing sits 85% above the cheapest for the identical certificated diamond, a typical gap of A$934. 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.

  2. 2NZ Jewellers61,414 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
  3. 3Rare Carat52,321 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
  4. 4Yorxs49,910 in stock
    Germany·Founded 2011·100-day returns
    Terms not yet verified
    Visit Yorxs
  6. 6Aurelinne43,789 in stock
    United States·Founded 2021·30-day returns·Ships to Australia
    Terms not yet verified
    Visit Aurelinne
  8. 8Allurez41,445 in stock
    United States·Founded 2010·30-day returns·Ships to Australia
    Terms not yet verified
    Visit Allurez
Show 15 more retailers
  3. 13

    The Perfect Carat

    29,426 in stock
    US
    Terms not yet verified
  9. 19B2C Jewels20,754 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
  10. 20Cape Diamonds19,758 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. 24RockHer16,727 in stock
    United States·Founded 2016·40-day returns·Ships to Australia
    Terms not yet verified
    Visit RockHer

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.

19 of the 25 retailers ship to Australia. 6 do not.

Narrow it down by grade

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

D VVS178,816 · 64rE VVS146,733 · 66rG VS245,045 · 67rD VVS244,914 · 63rD VS143,863 · 62rF VS243,367 · 68rF VVS143,121 · 64rF VS140,757 · 68rG VS139,657 · 65rG VVS137,902 · 62rH VVS137,112 · 64rE VS136,944 · 65rD VS235,120 · 65rE VS233,293 · 68rF VVS233,199 · 65rH VS133,049 · 64rI VVS132,893 · 57rH VS232,342 · 65rG VVS231,472 · 66rE VVS231,069 · 68rH VVS230,739 · 64rI VS126,647 · 60rD IF25,570 · 63rI VS224,011 · 62rI VVS221,925 · 59rF IF17,307 · 61rE IF17,224 · 60rG IF16,077 · 60rH IF12,250 · 58rI IF8,164 · 54rD FL3,939 · 42rE FL619 · 38rF FL463 · 34rG FL380 · 22rH FL158 · 19rI FL63 · 13r

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.
  • Natural: mined diamonds with the certification, provenance and resale profile traditional buyers expect.

Frequently asked

How much do retailers differ on the same diamond?

Across 116,846 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 85%, about A$934.

Can I see retailers for one exact grade?

Yes. Each of the 36 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.