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Carat Hunter · Where to buy diamonds

Where to buy a 0.5ct natural cushion diamond

Every retailer in our index stocking this size and shape, 67 of them, across 35,732 current listings.

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

The market at this size and shape

Active listings

35,732

Retailers carrying

67

Median confirmed price

CA$910

Grade combinations

57

Certificate mix:GIA 28,440 · IGI 2,922 · AGS 36 · HRD 15

What it actually costs

Half of these diamonds are listed between CA$729 and CA$1,537 (as of November 6, 2026).

Lower 10% CA$641Median CA$910Upper 10% CA$3,329

Middle half listed between CA$729 to CA$1,537

Certificated stones with a recently confirmed price only, 8,342 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. 2Rare Carat2,882 in stock
    United States·Founded 2016·GIA, IGI·30-day returns·Ships to Canada
    Terms read on the retailer’s own site, October 19, 2026
    Visit Rare Carat
  7. 7Yorxs1,531 in stock
    Germany·Founded 2011·GIA, HRD, IGI
    Terms not yet verified
    Visit Yorxs
  8. 8Allurez1,501 in stock
    United States·Founded 2010·GIA, IGI·Ships to Canada
    Terms not yet verified
    Visit Allurez
Show 57 more retailers
  3. 13Ritani1,010 in stock
    United States·Founded 1999·GIA·Ships to Canada
    Terms not yet verified
    Visit Ritani
  5. 15Cape Diamonds846 in stock
    South Africa·Founded 2005·GIA, IGI·7-day returns·Ships to Canada
    Terms read on the retailer’s own site, June 15, 2026
    Visit Cape Diamonds
  6. 16RockHer764 in stock
    United States·Founded 2016·GIA, IGI·Ships to Canada
    Terms not yet verified
    Visit RockHer
  8. 18ZCOVA729 in stock
    Malaysia·Founded 2015·GIA·Ships to Canada
    Terms not yet verified
    Visit ZCOVA
  11. 21B2C Jewels632 in stock
    United States·Founded 2004·GIA, HRD, IGI·30-day returns·Ships to Canada
    Terms read on the retailer’s own site, October 19, 2026
    Visit B2C Jewels
  22. 32Zales220 in stock
    United States·Founded 1924·AGS, GIA
    Terms not yet verified
    Visit Zales
  23. 33Jared214 in stock
    United States·Founded 1993·AGS, GIA
    Terms not yet verified
    Visit Jared
  26. 36Adiamor206 in stock
    United States·Founded 1999·GIA·Ships to Canada
    Terms not yet verified
    Visit Adiamor
  28. 38

    The Perfect Carat

    135 in stock
    US·GIA, IGI
    Terms not yet verified
  29. 39

    GemTrove

    111 in stock
    AU·GIA
    Terms not yet verified
  48. 58NZ Jewellers12 in stock
    New Zealand·Founded 2006·GIA, IGI·30-day returns·Ships to Canada
    Terms read on the retailer’s own site, October 19, 2026
    Visit NZ Jewellers
  55. 65GemsNY1 in stock
    United States·Founded 1988·GIA·Ships to Canada
    Terms not yet verified
    Visit GemsNY
  56. 66

    Lauren B

    1 in stock
    US
    Terms not yet verified

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.

40 of the 63 retailers with shipping details ship to Canada. 23 do not. 4 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.

E VS11,923 · 50rD VVS11,921 · 54rE VVS11,744 · 49rF VS11,689 · 44rD VS11,582 · 50rE VVS21,447 · 45rD VVS21,423 · 48rE VS21,374 · 55rG VS11,365 · 45rF VS21,314 · 52rF VVS11,307 · 51rF VVS21,288 · 47rG VVS11,218 · 48rG VVS21,179 · 45rD VS21,053 · 53rD SI11,009 · 50rG VS21,009 · 50rH VVS11,007 · 48rH VS1810 · 49rH VVS2712 · 52rE SI1689 · 49rF SI1541 · 40rI VS1535 · 42rH VS2533 · 49rG SI1470 · 47rI VVS1465 · 36rD IF371 · 35rF SI2366 · 40rE SI2348 · 34rI VS2348 · 47rI VVS2325 · 42rI IF310 · 37rE IF294 · 34rF IF282 · 34rJ VVS2275 · 38rG IF266 · 36rH SI1266 · 39rD SI2263 · 34rJ VS1260 · 40rJ VS2251 · 39rH IF243 · 42rJ VVS1234 · 34rI SI1198 · 37rH SI2173 · 38rG SI2165 · 32rJ SI1118 · 29rK SI1108 · 21rK VS1103 · 26rJ IF100 · 25rK VVS294 · 23rK VVS186 · 25rK SI282 · 20rI SI264 · 22rJ SI237 · 14rK VS234 · 16rD FL31 · 7rE FL11 · 3r

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 57 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.