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Carat Hunter · Where to buy diamonds

Where to buy a 1.25ct lab-grown oval diamond

Every retailer in our index stocking this size and shape, 61 of them, across 65,480 current listings.

Updated November 2, 2026 · Independent. Zero affiliate revenue.

The market at this size and shape

Active listings

65,480

Retailers carrying

61

Median confirmed price

A$625

Grade combinations

26

Certificate mix:IGI 60,072 · GIA 1,787 · GCAL 1,774 · HRD 10

What it actually costs

Half of these diamonds are listed between A$374 and A$1,167 (as of November 2, 2026).

Lower 10% A$313Median A$625Upper 10% A$1,893

Middle half listed between A$374 to A$1,167

Certificated stones with a recently confirmed price only, 5,780 of them. Each contributes its cheapest confirmed price.

The same stone, priced differently

Typical spread

396%

Typical difference

A$1,582

Stones compared

3,961

Across 3,961 stones of this size and shape carried by more than one retailer, the dearest listing sits 396% above the cheapest for the identical certificated diamond, a typical gap of A$1,582. 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.

  1. 1Rare Carat4,412 in stock
    United States·Founded 2016·30-day returns·Ships to Australia
    Terms read on the retailer’s own site, October 19, 2026
    Visit Rare Carat
  3. 3NZ Jewellers3,685 in stock
    New Zealand·Founded 2006·30-day returns·Ships to Australia
    Terms read on the retailer’s own site, October 19, 2026
    Visit NZ Jewellers
  4. 4Aurelinne3,270 in stock
    United States·Founded 2021·30-day returns·Ships to Australia
    Terms not yet verified
    Visit Aurelinne
  6. 6

    The Perfect Carat

    3,100 in stock
    US
    Terms not yet verified
  10. 10B2C Jewels2,497 in stock
    United States·Founded 2004·30-day returns·Ships to Australia
    Terms read on the retailer’s own site, October 19, 2026
    Visit B2C Jewels
Show 15 more retailers
  2. 12Adiamor2,419 in stock
    United States·Founded 1999·30-day returns
    Terms not yet verified
    Visit Adiamor
  8. 18Cape Diamonds1,572 in stock
    South Africa·Founded 2005·7-day returns·Ships to Australia
    Terms read on the retailer’s own site, June 15, 2026
    Visit Cape Diamonds
  13. 23Yorxs1,078 in stock
    Germany·Founded 2011·100-day returns
    Terms not yet verified
    Visit Yorxs

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 Australia. 8 do not.

Narrow it down by grade

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

D VVS213,049 · 57rD VVS19,484 · 52rD VS19,234 · 54rD IF7,759 · 52rD FL5,169 · 38rE VVS24,693 · 53rE VS13,437 · 53rE VVS12,605 · 50rE IF1,397 · 45rD VS21,281 · 46rF VS11,219 · 50rF VVS21,209 · 52rG VS11,120 · 40rE VS2973 · 45rG VVS2698 · 43rE FL491 · 31rF VS2383 · 38rF VVS1289 · 42rF IF282 · 37rH VS1206 · 28rG VS2143 · 26rH VVS2136 · 27rH VS2113 · 27rG VVS148 · 21rH VVS124 · 7rF FL22 · 21r

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

  • Oval: an elongated brilliant cut that looks larger face-up than its carat weight.
  • Lab-grown: chemically identical to natural diamonds, typically at least 90% less than a comparable natural cohort from 1 carat up.

Frequently asked

How much do retailers differ on the same diamond?

Across 3,961 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 396%, about A$1,582.

Can I see retailers for one exact grade?

Yes. Each of the 26 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.