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Carat Hunter · Where to buy diamonds

Where to buy a 3ct natural radiant diamond

Every retailer in our index stocking this size and shape, 65 of them, across 4,856 current listings.

Updated November 1, 2026 · Independent. Zero affiliate revenue.

The market at this size and shape

Active listings

4,856

Retailers carrying

65

Median confirmed price

A$44,171

Grade combinations

28

Certificate mix:GIA 4,240 · HRD 90 · IGI 74

What it actually costs

Half of these diamonds are listed between A$29,696 and A$57,902 (as of November 1, 2026).

Lower 10% A$19,357Median A$44,171Upper 10% A$71,957

Middle half listed between A$29,696 to A$57,902

Certificated stones with a recently confirmed price only, 1,377 of them. Each contributes its cheapest confirmed price.

The same stone, priced differently

Typical spread

50%

Typical difference

A$15,675

Stones compared

1,013

Across 1,013 stones of this size and shape carried by more than one retailer, the dearest listing sits 50% above the cheapest for the identical certificated diamond, a typical gap of A$15,675. 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.

  1. 1NZ Jewellers248 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. 3Allurez209 in stock
    United States·Founded 2010·30-day returns·Ships to Australia
    Terms not yet verified
    Visit Allurez
  4. 4Aurelinne202 in stock
    United States·Founded 2021·30-day returns·Ships to Australia
    Terms not yet verified
    Visit Aurelinne
  6. 6Yorxs182 in stock
    Germany·Founded 2011·100-day returns
    Terms not yet verified
    Visit Yorxs
  7. 7Rare Carat179 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
  9. 9Blue Nile154 in stock
    United States·Founded 1999·30-day returns·Ships to Australia
    Terms not yet verified
    Visit Blue Nile
Show 15 more retailers
  1. 11B2C Jewels150 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
  2. 12

    The Perfect Carat

    143 in stock
    US
    Terms not yet verified
  10. 20Zales101 in stock
    United States·Founded 1924·30-day returns
    Terms not yet verified
    Visit Zales
  14. 24Jared99 in stock
    United States·Founded 1993·30-day returns
    Terms not yet verified
    Visit Jared

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.

I VS1482 · 47rH VS2411 · 54rI VS2404 · 48rF VS2329 · 50rE VS1307 · 47rG VS2305 · 50rD VS2280 · 48rE VS2256 · 48rG VS1229 · 49rF VS1226 · 42rH VVS2209 · 55rH VS1183 · 47rI VVS2182 · 41rG VVS1170 · 45rG VVS2158 · 42rI VVS1120 · 42rD VS191 · 38rH VVS183 · 32rD VVS280 · 38rF VVS168 · 33rE VVS264 · 36rD VVS161 · 30rF VVS243 · 26rE IF41 · 23rH IF23 · 14rE VVS122 · 21rF IF14 · 13rD IF11 · 8r

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

  • Radiant: a rectangular brilliant cut that combines the emerald outline with round-style faceting.
  • 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 1,013 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 50%, about A$15,675.

Can I see retailers for one exact grade?

Yes. Each of the 28 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.