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Carat Hunter · Where to buy diamonds

Where to buy a 3ct natural heart diamond

Every retailer in our index stocking this size and shape, 61 of them, across 3,663 current listings.

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

The market at this size and shape

Active listings

3,663

Retailers carrying

61

Median confirmed price

NZ$41,122

Grade combinations

28

Certificate mix:GIA 2,986 · IGI 299 · HRD 100

What it actually costs

Half of these diamonds are listed between NZ$25,212 and NZ$62,532 (as of November 1, 2026).

Lower 10% NZ$17,808Median NZ$41,122Upper 10% NZ$91,291

Middle half listed between NZ$25,212 to NZ$62,532

Certificated stones with a recently confirmed price only, 928 of them. Each contributes its cheapest confirmed price.

The same stone, priced differently

Typical spread

57%

Typical difference

NZ$18,443

Stones compared

691

Across 691 stones of this size and shape carried by more than one retailer, the dearest listing sits 57% above the cheapest for the identical certificated diamond, a typical gap of NZ$18,443. 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 Jewellers244 in stock
    New Zealand·Founded 2006·30-day returns·Ships to New Zealand
    Terms read on the retailer’s own site, October 19, 2026
    Visit NZ Jewellers
  5. 5Aurelinne164 in stock
    United States·Founded 2021·30-day returns·Ships to New Zealand
    Terms not yet verified
    Visit Aurelinne
  9. 9B2C Jewels116 in stock
    United States·Founded 2004·30-day returns·Ships to New Zealand
    Terms read on the retailer’s own site, October 19, 2026
    Visit B2C Jewels
Show 15 more retailers
  2. 12Cape Diamonds101 in stock
    South Africa·Founded 2005·7-day returns·Ships to New Zealand
    Terms read on the retailer’s own site, June 15, 2026
    Visit Cape Diamonds
  3. 13

    The Perfect Carat

    100 in stock
    US
    Terms not yet verified
  5. 15RockHer96 in stock
    United States·Founded 2016·40-day returns·Ships to New Zealand
    Terms not yet verified
    Visit RockHer
  6. 16Allurez89 in stock
    United States·Founded 2010·30-day returns·Ships to New Zealand
    Terms not yet verified
    Visit Allurez
  7. 17Ritani84 in stock
    United States·Founded 1999·30-day returns
    Terms not yet verified
    Visit Ritani
  11. 21Blue Nile76 in stock
    United States·Founded 1999·30-day returns·Ships to New Zealand
    Terms not yet verified
    Visit Blue Nile

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.

17 of the 25 retailers ship to New Zealand. 8 do not.

Narrow it down by grade

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

D VS2386 · 44rE VS2308 · 43rI VS2278 · 43rH VS2267 · 48rH VS1213 · 42rG VS2192 · 44rD VVS1183 · 43rD IF163 · 44rD VS1158 · 46rI VS1143 · 40rE VS1135 · 40rG VS1134 · 39rI VVS1126 · 37rI VVS295 · 30rH VVS293 · 32rD FL88 · 33rE VVS288 · 42rG VVS285 · 35rD VVS281 · 39rH VVS177 · 34rF VS268 · 33rF VVS168 · 34rE IF59 · 39rF VS155 · 38rG VVS141 · 24rF VVS230 · 14rI IF20 · 18rE VVS112 · 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

  • Heart: a brilliant cut with a cleft and a pointed tip, classic and recognizable.
  • 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 691 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 57%, about NZ$18,443.

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.