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Carat Hunter · Where to buy diamonds

Where to buy a 1.25ct natural marquise diamond

Every retailer in our index stocking this size and shape, 69 of them, across 25,872 current listings.

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

The market at this size and shape

Active listings

25,872

Retailers carrying

69

Median confirmed price

A$6,826

Grade combinations

56

Certificate mix:GIA 20,951 · IGI 2,183 · HRD 983 · AGS 2

What it actually costs

Half of these diamonds are listed between A$4,647 and A$9,237 (as of November 7, 2026).

Lower 10% A$3,215Median A$6,826Upper 10% A$11,772

Middle half listed between A$4,647 to A$9,237

Certificated stones with a recently confirmed price only, 2,247 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. 1NZ Jewellers1,454 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
  2. 2Carbon Sparkle1,349 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
  3. 3Rare Carat1,258 in stock
    United States·Founded 2016·GIA, IGI·30-day returns·Ships to Australia
    Terms read on the retailer’s own site, October 19, 2026
    Visit Rare Carat
  5. 5Aurelinne1,081 in stock
    United States·Founded 2021·EGL, GIA, HRD, IGI·Ships to Australia
    Terms not yet verified
    Visit Aurelinne
  6. 6

    The Perfect Carat

    1,000 in stock
    US·EGL, GIA, HRD, IGI
    Terms not yet verified
  7. 7Yorxs967 in stock
    Germany·Founded 2011·AGS, GIA, HRD, IGI
    Terms not yet verified
    Visit Yorxs
Show 59 more retailers
  7. 17B2C Jewels534 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
  17. 27Cape Diamonds326 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
  19. 29RockHer317 in stock
    United States·Founded 2016·GIA, IGI·Ships to Australia
    Terms not yet verified
    Visit RockHer
  25. 35Zales236 in stock
    United States·Founded 1924·GIA
    Terms not yet verified
    Visit Zales
  26. 36GemsNY234 in stock
    United States·Founded 1988·AGS, GIA, HRD·Ships to Australia
    Terms not yet verified
    Visit GemsNY
  27. 37

    Washington Diamond

    227 in stock
    US·GIA
    Terms not yet verified
  29. 39Jared223 in stock
    United States·Founded 1993·GIA
    Terms not yet verified
    Visit Jared
  33. 43Allurez193 in stock
    United States·Founded 2010·HRD·Ships to Australia
    Terms not yet verified
    Visit Allurez
  41. 51

    GemTrove

    116 in stock
    AU·GIA, HRD, IGI·Ships to Australia
    Terms not yet verified
  55. 65

    Robbins Brothers

    4 in stock
    US·GIA, GSI
    Terms not yet verified
  57. 67

    Lauren B

    3 in stock
    US·GIA
    Terms not yet verified
  58. 68

    Whiteflash

    1 in stock
    US·GIA
    Terms not yet verified
  59. 69ZCOVA1 in stock
    Malaysia·Founded 2015·GIA·Ships to Australia
    Terms not yet verified
    Visit ZCOVA

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 63 retailers with shipping details ship to Australia. 21 do not. 6 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 SI21,641 · 56rG SI21,570 · 55rF SI21,371 · 56rD SI21,149 · 55rI SI21,137 · 53rD VS21,018 · 61rE SI2990 · 52rJ SI2935 · 50rD SI1838 · 59rD VS1834 · 62rJ SI1811 · 59rI SI1807 · 58rH SI1767 · 61rG SI1641 · 61rF VS2578 · 61rE SI1512 · 57rF SI1507 · 57rG VS2473 · 56rH VS2448 · 60rI VS2448 · 55rE VS1426 · 60rF VS1420 · 61rD VVS1417 · 57rG VS1414 · 59rE VS2401 · 58rH VS1400 · 56rD VVS2399 · 59rJ VS1394 · 55rJ VS2376 · 53rK SI1375 · 44rH VVS1321 · 58rK SI2311 · 41rD IF298 · 50rI VS1283 · 50rJ VVS2256 · 51rF VVS1235 · 58rG VVS1224 · 56rE VVS1221 · 56rG VVS2216 · 57rI VVS1203 · 43rE VVS2200 · 59rF VVS2196 · 53rK VS1169 · 36rK VS2146 · 38rH VVS2142 · 54rK VVS2141 · 36rJ IF136 · 34rI IF130 · 34rJ VVS1126 · 39rE IF103 · 39rI VVS295 · 37rF IF69 · 41rH IF64 · 36rD FL48 · 30rK VVS122 · 16rK IF15 · 14r

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 56 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.