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Carat Hunter · Where to buy diamonds

Where to buy a 3ct natural cushion diamond

Every retailer in our index stocking this size and shape, 66 of them, across 9,436 current listings.

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

The market at this size and shape

Active listings

9,436

Retailers carrying

66

Median confirmed price

€25,413

Grade combinations

31

Certificate mix:GIA 8,338 · HRD 178 · IGI 126 · AGS 3

What it actually costs

Half of these diamonds are listed between €16,402 and €34,442 (as of October 31, 2026).

Lower 10% €10,374Median €25,413Upper 10% €44,043

Middle half listed between €16,402 to €34,442

Certificated stones with a recently confirmed price only, 3,189 of them. Each contributes its cheapest confirmed price.

The same stone, priced differently

Typical spread

48%

Typical difference

€10,261

Stones compared

2,182

Across 2,182 stones of this size and shape carried by more than one retailer, the dearest listing sits 48% above the cheapest for the identical certificated diamond, a typical gap of €10,261. 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.

  3. 3Yorxs471 in stock
    Germany·Founded 2011·100-day returns·Ships to European Union
    Terms not yet verified
    Visit Yorxs
  4. 4Rare Carat455 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
  5. 5B2C Jewels361 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
  6. 6Blue Nile347 in stock
    United States·Founded 1999·30-day returns·Ships to European Union
    Terms not yet verified
    Visit Blue Nile
  7. 7Moon Ocean316 in stock
    United Kingdom·Founded 2022·30-day returns·Ships to European Union
    Terms not yet verified
    Visit Moon Ocean
  10. 10Brilliance280 in stock
    United States·Founded 2002·30-day returns·Ships to European Union
    Terms not yet verified
    Visit Brilliance
Show 15 more retailers
  3. 13RockHer245 in stock
    United States·Founded 2016·40-day returns·Ships to European Union
    Terms not yet verified
    Visit RockHer
  6. 16DreamStone216 in stock
    United States·Founded 1998·30-day returns·Ships to European Union
    Terms not yet verified
    Visit DreamStone
  7. 17Allurez214 in stock
    United States·Founded 2010·30-day returns·Ships to European Union
    Terms not yet verified
    Visit Allurez
  8. 18Cape Diamonds213 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
  9. 19Zales208 in stock
    United States·Founded 1924·30-day returns
    Terms not yet verified
    Visit Zales
  11. 21Jared207 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.

14 of the 25 retailers ship to European Union. 11 do not.

Narrow it down by grade

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

H VS2863 · 54rI VS2811 · 50rI VS1754 · 48rG VS2640 · 52rG VS1617 · 57rD VS1560 · 55rH VS1530 · 53rF VS2491 · 49rD VS2483 · 47rE VS2472 · 51rE VS1408 · 49rF VS1408 · 49rG VVS2369 · 54rI VVS2268 · 45rH VVS1217 · 50rG VVS1182 · 42rF VVS2170 · 45rH VVS2164 · 39rD VVS2145 · 42rE VVS2140 · 43rF VVS1138 · 44rI VVS1132 · 37rD VVS1121 · 38rD IF115 · 35rE VVS165 · 27rI IF38 · 19rH IF35 · 23rE IF34 · 31rF IF24 · 19rD FL21 · 15rG IF19 · 16r

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

  • Cushion: a softened-corner square or rectangle with a vintage feel.
  • 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 2,182 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 48%, about €10,261.

Can I see retailers for one exact grade?

Yes. Each of the 31 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.