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Carat Hunter · Where to buy diamonds

Where to buy a 0.5ct natural emerald diamond

Every retailer in our index stocking this size and shape, 69 of them, across 198,765 current listings.

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

The market at this size and shape

Active listings

198,765

Retailers carrying

69

Median confirmed price

A$946

Grade combinations

62

Certificate mix:GIA 179,116 · IGI 7,629 · HRD 323

What it actually costs

Half of these diamonds are listed between A$786 and A$1,143 (as of November 6, 2026).

Lower 10% A$661Median A$946Upper 10% A$1,514

Middle half listed between A$786 to A$1,143

Certificated stones with a recently confirmed price only, 28,467 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 Carat23,669 in stock
    United States·Founded 2016·GIA, HRD, IGI·30-day returns·Ships to Australia
    Terms read on the retailer’s own site, October 19, 2026
    Visit Rare Carat
  6. 6NZ Jewellers6,721 in stock
    New Zealand·Founded 2006·EGL, GIA, HRD, IGI·30-day returns·Ships to Australia
    Terms read on the retailer’s own site, October 19, 2026
    Visit NZ Jewellers
  7. 7Yorxs5,780 in stock
    Germany·Founded 2011·GIA, HRD, IGI
    Terms not yet verified
    Visit Yorxs
  8. 8Allurez5,654 in stock
    United States·Founded 2010·GIA, IGI·Ships to Australia
    Terms not yet verified
    Visit Allurez
Show 59 more retailers
  2. 12Brilliance4,625 in stock
    United States·Founded 2002·EGL, GIA, HRD, IGI·Ships to Australia
    Terms not yet verified
    Visit Brilliance
  3. 13Carbon Sparkle4,198 in stock
    United States·EGL, GIA, HRD, IGI·21-day returns·Ships to Australia
    Terms read on the retailer’s own site, September 2, 2026
    Visit Carbon Sparkle
  4. 14

    GemTrove

    4,009 in stock
    AU·GIA·Ships to Australia
    Terms not yet verified
  5. 15

    The Perfect Carat

    3,888 in stock
    US·EGL, GIA, HRD, IGI
    Terms not yet verified
  6. 16Aurelinne3,830 in stock
    United States·Founded 2021·EGL, GIA, HRD, IGI·Ships to Australia
    Terms not yet verified
    Visit Aurelinne
  7. 17B2C Jewels3,347 in stock
    United States·Founded 2004·GIA, HRD, IGI·30-day returns·Ships to Australia
    Terms read on the retailer’s own site, October 19, 2026
    Visit B2C Jewels
  9. 19RockHer3,140 in stock
    United States·Founded 2016·GIA, IGI·Ships to Australia
    Terms not yet verified
    Visit RockHer
  13. 23Cape Diamonds2,924 in stock
    South Africa·Founded 2005·GIA, IGI·7-day returns·Ships to Australia
    Terms read on the retailer’s own site, June 15, 2026
    Visit Cape Diamonds
  18. 28ZCOVA2,120 in stock
    Malaysia·Founded 2015·GIA·Ships to Australia
    Terms not yet verified
    Visit ZCOVA
  36. 46Zales646 in stock
    United States·Founded 1924·GIA
    Terms not yet verified
    Visit Zales
  37. 47Jared642 in stock
    United States·Founded 1993·GIA
    Terms not yet verified
    Visit Jared
  56. 66

    Lauren B

    2 in stock
    US
    Terms not yet verified
  58. 68GemsNY1 in stock
    United States·Founded 1988·GIA·Ships to Australia
    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.

44 of the 66 retailers with shipping details ship to Australia. 22 do not. 3 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 VVS19,829 · 60rF VVS19,727 · 58rD VVS29,134 · 60rG VVS18,932 · 58rF VVS28,346 · 60rE VVS18,328 · 61rE VVS28,191 · 61rF VS17,947 · 61rG VVS27,785 · 62rD VS17,759 · 61rE VS17,749 · 62rG VS17,356 · 59rE VS26,043 · 59rH VS15,924 · 57rH VVS25,716 · 58rF VS25,668 · 61rG VS25,442 · 60rH VVS15,033 · 57rD VS24,891 · 59rI VVS24,188 · 55rI VS14,117 · 52rI VVS13,679 · 53rH VS23,649 · 58rF SI13,523 · 56rI VS22,895 · 51rE SI12,814 · 57rG SI12,678 · 54rD SI12,426 · 55rJ VVS22,130 · 48rH SI12,047 · 52rF IF2,016 · 54rJ VVS12,012 · 46rD IF1,976 · 57rJ VS11,867 · 46rE IF1,594 · 54rG IF1,586 · 53rH IF1,584 · 53rI SI11,358 · 48rI IF1,299 · 48rJ VS21,266 · 49rD SI21,039 · 45rF SI2974 · 42rE SI2876 · 48rG SI2844 · 45rJ SI1618 · 42rJ IF506 · 46rK VVS1486 · 35rI SI2421 · 30rH SI2407 · 39rK VS1329 · 31rK VVS2248 · 30rK VS2244 · 30rJ SI2240 · 34rK IF233 · 29rK SI1184 · 28rD FL133 · 33rF FL113 · 35rE FL98 · 27rK SI287 · 24rG FL71 · 31rH FL49 · 29rI FL49 · 7r

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

  • Emerald: a rectangular step cut with a hall-of-mirrors look that requires high clarity.
  • 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 62 colour 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.