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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, 67 of them, across 19,759 current listings.

Updated November 6, 2026 · Independent. Zero affiliate revenue.

The market at this size and shape

Active listings

19,759

Retailers carrying

67

Median confirmed price

$28,341

Grade combinations

55

Certificate mix:GIA 17,411 · HRD 435 · IGI 303 · AGS 3

What it actually costs

Half of these diamonds are listed between $18,571 and $38,514 (as of November 6, 2026).

Lower 10% $11,598Median $28,341Upper 10% $49,572

Middle half listed between $18,571 to $38,514

Certificated stones with a recently confirmed price only, 3,220 of them. Each contributes its cheapest confirmed price.

The same stone, priced differently

As of November 6, 2026, the same certified diamond typically costs 44% more at a typical retailer than at the cheapest for lab-grown stones, and 20% more for natural ones (the median across stones listed by two or more retailers). Comparing shows you the cheapest of the retailers listing the same stone.

Every retailer that stocks this spec

Ranked by active inventory count. Selection is mechanical, not editorial.

  2. 2Yorxs1,134 in stock
    Germany·Founded 2011·AGS, GIA, HRD, IGI
    Terms not yet verified
    Visit Yorxs
  4. 4Rare Carat982 in stock
    United States·Founded 2016·GIA, IGI·30-day returns·Ships to United States
    Terms read on the retailer’s own site, October 19, 2026
    Visit Rare Carat
  6. 6B2C Jewels800 in stock
    United States·Founded 2004·GIA, HRD, IGI·30-day returns·Ships to United States
    Terms read on the retailer’s own site, October 19, 2026
    Visit B2C Jewels
  8. 8Brilliance641 in stock
    United States·Founded 2002·AGS, EGL, GIA, HRD·Ships to United States
    Terms not yet verified
    Visit Brilliance
  9. 9Allurez587 in stock
    United States·Founded 2010·GIA, IGI·Ships to United States
    Terms not yet verified
    Visit Allurez
Show 57 more retailers
  3. 13RockHer470 in stock
    United States·Founded 2016·GIA, IGI·Ships to United States
    Terms not yet verified
    Visit RockHer
  4. 14Zales466 in stock
    United States·Founded 1924·GIA·Ships to United States
    Terms not yet verified
    Visit Zales
  7. 17Jared448 in stock
    United States·Founded 1993·GIA·Ships to United States
    Terms not yet verified
    Visit Jared
  9. 19Cape Diamonds436 in stock
    South Africa·Founded 2005·GIA, IGI·7-day returns·Ships to United States
    Terms read on the retailer’s own site, June 15, 2026
    Visit Cape Diamonds
  11. 21Adiamor416 in stock
    United States·Founded 1999·GIA·Ships to United States
    Terms not yet verified
    Visit Adiamor
  13. 23Ritani384 in stock
    United States·Founded 1999·GIA·Ships to United States
    Terms not yet verified
    Visit Ritani
  23. 33

    The Perfect Carat

    257 in stock
    US·GIA, HRD, IGI·Ships to United States
    Terms not yet verified
  26. 36

    GemTrove

    203 in stock
    AU·GIA, HRD
    Terms not yet verified
  36. 46ZCOVA59 in stock
    Malaysia·Founded 2015·GIA·Ships to United States
    Terms not yet verified
    Visit ZCOVA
  38. 48GemsNY54 in stock
    United States·Founded 1988·GIA·Ships to United States
    Terms not yet verified
    Visit GemsNY
  39. 49NZ Jewellers34 in stock
    New Zealand·Founded 2006·GIA, HRD, IGI·30-day returns·Ships to United States
    Terms read on the retailer’s own site, October 19, 2026
    Visit NZ Jewellers
  50. 60Aurelinne17 in stock
    United States·Founded 2021·HRD, IGI·Ships to United States
    Terms not yet verified
    Visit Aurelinne
  51. 61

    Lauren B

    10 in stock
    US·Ships to United States
    Terms not yet verified
  53. 63Shane Co6 in stock
    United States·Founded 1971·GIA·Ships to United States
    Terms not yet verified
    Visit Shane Co

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.

57 of the 65 retailers with shipping details ship to United States. 8 do not. 2 retailers have not published any shipping details.

Narrow it down by grade

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

H VS2956 · 54rI VS2846 · 50rH SI1794 · 50rG SI1783 · 45rI SI1776 · 50rI VS1766 · 47rD SI1690 · 48rF SI1681 · 49rG VS2652 · 52rG VS1633 · 58rE SI1602 · 52rG SI2589 · 48rH VS1558 · 55rD VS1554 · 54rI SI2542 · 39rF VS2530 · 49rE VS2515 · 52rD VS2512 · 48rJ VS2499 · 53rJ SI1492 · 47rH SI2431 · 50rE VS1418 · 50rJ SI2401 · 39rF VS1395 · 49rG VVS2372 · 55rJ VS1350 · 44rE SI2308 · 38rF SI2308 · 43rI VVS2278 · 45rK VS2263 · 36rD SI2251 · 42rK SI2247 · 34rK SI1242 · 38rJ VVS2235 · 44rH VVS1232 · 50rK VS1183 · 29rH VVS2179 · 39rG VVS1176 · 42rF VVS2170 · 46rD VVS2151 · 43rE VVS2150 · 43rJ VVS1137 · 39rF VVS1133 · 44rI VVS1133 · 37rD VVS1127 · 38rD IF115 · 34rK VVS2110 · 26rE VVS173 · 30rH IF48 · 35rI IF39 · 20rE IF33 · 30rF IF30 · 22rK VVS122 · 11rD FL21 · 15rG IF21 · 17r

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?

As of November 6, 2026, the same certified diamond typically costs 44% more at a typical retailer than at the cheapest for lab-grown stones, and 20% more for natural ones (the median across stones listed by two or more retailers). Comparing shows you the cheapest of the retailers listing the same stone.

Can I see retailers for one exact grade?

Yes. Each of the 55 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.