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Carat Hunter · Where to buy diamonds

Where to buy a 0.5ct natural marquise diamond

Every retailer in our index stocking this size and shape, 70 of them, across 112,907 current listings.

Updated November 7, 2026 · Independent. Zero affiliate revenue.

The market at this size and shape

Active listings

112,907

Retailers carrying

70

Median confirmed price

CA$1,137

Grade combinations

58

Certificate mix:GIA 96,241 · IGI 6,280 · HRD 153 · AGS 7

What it actually costs

Half of these diamonds are listed between CA$907 and CA$1,433 (as of November 7, 2026).

Lower 10% CA$757Median CA$1,137Upper 10% CA$1,808

Middle half listed between CA$907 to CA$1,433

Certificated stones with a recently confirmed price only, 12,772 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.

  1. 1Rare Carat9,528 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
  4. 4NZ Jewellers4,909 in stock
    New Zealand·Founded 2006·EGL, GIA, HRD, IGI·30-day returns·Ships to Canada
    Terms read on the retailer’s own site, October 19, 2026
    Visit NZ Jewellers
  6. 6Carbon Sparkle3,942 in stock
    United States·EGL, GIA, HRD, IGI·21-day returns·Ships to Canada
    Terms read on the retailer’s own site, September 2, 2026
    Visit Carbon Sparkle
  10. 10Aurelinne3,523 in stock
    United States·Founded 2021·EGL, GIA, HRD, IGI·Ships to Canada
    Terms not yet verified
    Visit Aurelinne
Show 60 more retailers
  2. 12Yorxs3,467 in stock
    Germany·Founded 2011·AGS, GIA, HRD, IGI
    Terms not yet verified
    Visit Yorxs
  3. 13

    The Perfect Carat

    3,286 in stock
    US·EGL, GIA, HRD, IGI
    Terms not yet verified
  6. 16B2C Jewels2,144 in stock
    United States·Founded 2004·AGS, GIA, HRD, IGI·30-day returns·Ships to Canada
    Terms read on the retailer’s own site, October 19, 2026
    Visit B2C Jewels
  7. 17RockHer2,009 in stock
    United States·Founded 2016·GIA, IGI·Ships to Canada
    Terms not yet verified
    Visit RockHer
  10. 20Ritani1,887 in stock
    United States·Founded 1999·GIA·Ships to Canada
    Terms not yet verified
    Visit Ritani
  11. 21Cape Diamonds1,822 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
  12. 22

    GemTrove

    1,768 in stock
    AU·GIA, IGI
    Terms not yet verified
  22. 32Allurez1,214 in stock
    United States·Founded 2010·GIA, IGI·Ships to Canada
    Terms not yet verified
    Visit Allurez
  24. 34ZCOVA1,129 in stock
    Malaysia·Founded 2015·GIA·Ships to Canada
    Terms not yet verified
    Visit ZCOVA
  28. 38Adiamor730 in stock
    United States·Founded 1999·AGS, GIA·Ships to Canada
    Terms not yet verified
    Visit Adiamor
  38. 48Zales340 in stock
    United States·Founded 1924·GIA
    Terms not yet verified
    Visit Zales
  39. 49Jared333 in stock
    United States·Founded 1993·GIA
    Terms not yet verified
    Visit Jared
  44. 54

    Washington Diamond

    175 in stock
    US·GIA
    Terms not yet verified
  56. 66

    Reeds

    3 in stock
    US·GIA
    Terms not yet verified
  58. 68GemsNY2 in stock
    United States·Founded 1988·GIA·Ships to Canada
    Terms not yet verified
    Visit GemsNY

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.

42 of the 65 retailers with shipping details ship to Canada. 23 do not. 5 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.

D VS25,711 · 65rD VS15,546 · 64rD VVS15,442 · 62rD SI15,407 · 66rD VVS24,572 · 62rE VS24,380 · 66rE VS14,290 · 64rE SI14,058 · 65rF VS13,907 · 67rF SI13,614 · 61rF VS23,543 · 66rG VS23,219 · 66rG VS12,965 · 65rH VS12,935 · 65rF VVS22,672 · 64rF VVS12,595 · 60rE VVS12,514 · 59rE VVS22,426 · 60rG SI12,391 · 61rD SI22,355 · 55rD IF2,131 · 60rF SI22,085 · 51rH VS22,069 · 63rE SI22,062 · 51rH VVS22,057 · 60rH VVS11,958 · 63rH SI11,872 · 59rI VS11,858 · 59rG VVS21,846 · 60rG VVS11,713 · 58rI VS21,526 · 55rI SI11,478 · 52rG SI21,347 · 51rE IF1,211 · 53rI VVS21,139 · 53rI VVS11,125 · 56rH SI2963 · 51rJ VS1899 · 53rH IF870 · 53rJ SI1855 · 48rF IF818 · 48rJ VVS2785 · 53rJ VS2771 · 50rJ VVS1702 · 53rI SI2698 · 43rG IF622 · 47rI IF554 · 53rJ IF526 · 47rK VS1362 · 36rJ SI2263 · 32rK SI1226 · 36rD FL211 · 38rK VVS2174 · 33rK VS2162 · 35rK SI2148 · 26rK VVS1141 · 30rK IF62 · 26rE FL39 · 22r

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

  • Marquise: a pointed-end ellipse that faces up large for its 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?

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 58 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.