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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 9,654 current listings.

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

The market at this size and shape

Active listings

9,654

Retailers carrying

66

Median confirmed price

CA$39,575

Grade combinations

31

Certificate mix:GIA 8,482 · HRD 178 · IGI 127 · AGS 3

What it actually costs

Half of these diamonds are listed between CA$25,808 and CA$53,722 (as of November 5, 2026).

Lower 10% CA$16,132Median CA$39,575Upper 10% CA$68,831

Middle half listed between CA$25,808 to CA$53,722

Certificated stones with a recently confirmed price only, 3,226 of them. Each contributes its cheapest confirmed price.

The same stone, priced differently

Typical spread

48%

Typical difference

CA$15,903

Stones compared

2,272

Across 2,272 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 CA$15,903. 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. 3Yorxs504 in stock
    Germany·Founded 2011·100-day returns
    Terms not yet verified
    Visit Yorxs
  4. 4Rare Carat449 in stock
    United States·Founded 2016·30-day returns·Ships to Canada
    Terms read on the retailer’s own site, October 19, 2026
    Visit Rare Carat
  5. 5B2C Jewels371 in stock
    United States·Founded 2004·30-day returns·Ships to Canada
    Terms read on the retailer’s own site, October 19, 2026
    Visit B2C Jewels
  9. 9Allurez281 in stock
    United States·Founded 2010·30-day returns·Ships to Canada
    Terms not yet verified
    Visit Allurez
Show 15 more retailers
  1. 11RockHer275 in stock
    United States·Founded 2016·40-day returns·Ships to Canada
    Terms not yet verified
    Visit RockHer
  9. 19Zales211 in stock
    United States·Founded 1924·30-day returns
    Terms not yet verified
    Visit Zales
  10. 20Jared208 in stock
    United States·Founded 1993·30-day returns
    Terms not yet verified
    Visit Jared
  13. 23Adiamor205 in stock
    United States·Founded 1999·30-day returns·Ships to Canada
    Terms not yet verified
    Visit Adiamor

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 Canada. 8 do not.

Narrow it down by grade

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

H VS2915 · 54rI VS2844 · 49rI VS1764 · 48rG VS2641 · 52rG VS1622 · 57rD VS1561 · 55rH VS1542 · 53rF VS2520 · 49rD VS2494 · 47rE VS2490 · 51rE VS1413 · 49rF VS1392 · 48rG VVS2365 · 54rI VVS2275 · 45rH VVS1231 · 50rG VVS1177 · 42rH VVS2170 · 39rF VVS2168 · 45rD VVS2148 · 43rE VVS2146 · 43rF VVS1137 · 44rI VVS1133 · 37rD VVS1126 · 38rD IF117 · 34rE VVS173 · 30rH IF44 · 30rI IF39 · 20rE IF33 · 30rF IF30 · 22rG IF21 · 17rD FL21 · 15r

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 2,272 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 48%, about CA$15,903.

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.