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Carat Hunter · Where to buy diamonds

Where to buy a 3ct natural round diamond

Every retailer in our index stocking this size and shape, 70 of them, across 20,147 current listings.

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

The market at this size and shape

Active listings

20,147

Retailers carrying

70

Median confirmed price

€27,646

Grade combinations

32

Certificate mix:GIA 15,320 · IGI 2,372 · HRD 747

What it actually costs

Half of these diamonds are listed between €19,040 and €41,199 (as of October 31, 2026).

Lower 10% €13,875Median €27,646Upper 10% €60,887

Middle half listed between €19,040 to €41,199

Certificated stones with a recently confirmed price only, 6,115 of them. Each contributes its cheapest confirmed price.

The same stone, priced differently

Typical spread

52%

Typical difference

€10,892

Stones compared

4,258

Across 4,258 stones of this size and shape carried by more than one retailer, the dearest listing sits 52% above the cheapest for the identical certificated diamond, a typical gap of €10,892. 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 Jewellers1,305 in stock
    New Zealand·Founded 2006·30-day returns·Ships to European Union
    Terms read on the retailer’s own site, October 19, 2026
    Visit NZ Jewellers
  2. 2Yorxs1,096 in stock
    Germany·Founded 2011·100-day returns·Ships to European Union
    Terms not yet verified
    Visit Yorxs
  5. 5Aurelinne1,006 in stock
    United States·Founded 2021·30-day returns·Ships to European Union
    Terms not yet verified
    Visit Aurelinne
  7. 7Rare Carat880 in stock
    United States·Founded 2016·30-day returns·Ships to European Union
    Terms read on the retailer’s own site, October 19, 2026
    Visit Rare Carat
  8. 8Allurez785 in stock
    United States·Founded 2010·30-day returns·Ships to European Union
    Terms not yet verified
    Visit Allurez
  10. 10

    The Perfect Carat

    691 in stock
    US
    Terms not yet verified
Show 15 more retailers
  1. 11B2C Jewels600 in stock
    United States·Founded 2004·30-day returns·Ships to European Union
    Terms read on the retailer’s own site, October 19, 2026
    Visit B2C Jewels
  2. 12Moon Ocean555 in stock
    United Kingdom·Founded 2022·30-day returns·Ships to European Union
    Terms not yet verified
    Visit Moon Ocean
  3. 13Brilliance505 in stock
    United States·Founded 2002·30-day returns·Ships to European Union
    Terms not yet verified
    Visit Brilliance
  7. 17Blue Nile407 in stock
    United States·Founded 1999·30-day returns·Ships to European Union
    Terms not yet verified
    Visit Blue Nile
  9. 19Cape Diamonds387 in stock
    South Africa·Founded 2005·7-day returns·Ships to European Union
    Terms read on the retailer’s own site, June 15, 2026
    Visit Cape Diamonds
  10. 20RockHer370 in stock
    United States·Founded 2016·40-day returns·Ships to European Union
    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.

20 of the 25 retailers ship to European Union. 5 do not.

Narrow it down by grade

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

I VS21,900 · 55rH VS21,759 · 63rI VS11,537 · 57rH VS11,157 · 59rH VVS2979 · 58rG VS1964 · 58rH VVS1879 · 56rF VS2872 · 58rI VVS2833 · 54rF VS1775 · 59rG VVS2750 · 56rG VS2730 · 57rE VS2676 · 55rD VS2609 · 58rG VVS1605 · 52rD VS1585 · 52rE VS1517 · 52rI VVS1464 · 46rF VVS1394 · 47rE VVS2384 · 55rE VVS1378 · 48rD VVS2363 · 54rF VVS2360 · 51rD VVS1325 · 53rD IF271 · 47rF IF239 · 48rI IF203 · 41rH IF196 · 42rG IF138 · 36rE IF132 · 32rD FL130 · 35rE FL39 · 29r

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 4,258 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 52%, about €10,892.

Can I see retailers for one exact grade?

Yes. Each of the 32 color 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.