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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, 66 of them, across 4,887 current listings.

Updated November 5, 2026 · Independent. Zero affiliate revenue.

The market at this size and shape

Active listings

4,887

Retailers carrying

66

Median confirmed price

£23,035

Grade combinations

28

Certificate mix:GIA 4,261 · HRD 88 · IGI 73

What it actually costs

Half of these diamonds are listed between £15,643 and £30,583 (as of November 5, 2026).

Lower 10% £10,153Median £23,035Upper 10% £37,664

Middle half listed between £15,643 to £30,583

Certificated stones with a recently confirmed price only, 1,356 of them. Each contributes its cheapest confirmed price.

The same stone, priced differently

Cheapest to dearest, median

41%

Cheapest to dearest, median in price

£7,639

Stones compared

1,003

Across 1,003 stones of this size and shape carried by more than one retailer, the dearest listing sits 41% above the cheapest for the identical certificated diamond, a typical gap of £7,639. 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 Jewellers262 in stock
    New Zealand·Founded 2006·30-day returns·Ships to Ireland
    Terms read on the retailer’s own site, October 19, 2026
    Visit NZ Jewellers
  2. 2Allurez221 in stock
    United States·Founded 2010·30-day returns·Ships to Ireland
    Terms not yet verified
    Visit Allurez
  5. 5Aurelinne208 in stock
    United States·Founded 2021·30-day returns·Ships to Ireland
    Terms not yet verified
    Visit Aurelinne
  6. 6Yorxs185 in stock
    Germany·Founded 2011·100-day returns
    Terms not yet verified
    Visit Yorxs
  7. 7Rare Carat178 in stock
    United States·Founded 2016·30-day returns·Ships to Ireland
    Terms read on the retailer’s own site, October 19, 2026
    Visit Rare Carat
  9. 9

    The Perfect Carat

    160 in stock
    US
    Terms not yet verified
  10. 10Blue Nile157 in stock
    United States·Founded 1999·30-day returns·Ships to Ireland
    Terms not yet verified
    Visit Blue Nile
Show 15 more retailers
  2. 12B2C Jewels148 in stock
    United States·Founded 2004·30-day returns·Ships to Ireland
    Terms read on the retailer’s own site, October 19, 2026
    Visit B2C Jewels
  12. 22Zales98 in stock
    United States·Founded 1924·30-day returns
    Terms not yet verified
    Visit Zales
  15. 25Jared95 in stock
    United States·Founded 1993·30-day returns
    Terms not yet verified
    Visit Jared

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.

16 of the 25 retailers ship to Ireland. 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 VS2409 · 54rI VS2401 · 47rF VS2350 · 50rD VS2312 · 51rG VS2310 · 50rE VS1288 · 45rE VS2248 · 46rG VS1225 · 49rF VS1213 · 42rH VVS2208 · 53rI VVS2184 · 41rH VS1179 · 47rG VVS1173 · 45rG VVS2158 · 42rI VVS1121 · 43rD VS198 · 38rH VVS187 · 32rD VVS286 · 40rE VVS269 · 36rF VVS168 · 32rD VVS162 · 31rF VVS247 · 28rE IF41 · 23rE VVS122 · 21rH IF21 · 14rF IF11 · 10rD IF10 · 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

  • 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 1,003 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 41%, about £7,639.

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.