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Carat Hunter · Where to buy diamonds

Where to buy a 1.25ct natural cushion diamond

Every retailer in our index stocking this size and shape, 67 of them, across 15,635 live listings.

Updated September 18, 2026 · Independent. Zero affiliate revenue.

The market at this size and shape

Active listings

15,635

Retailers carrying

67

Median active price

A$4,672

Grade combinations

30

Certificate mix:GIA 13,873 · IGI 228 · HRD 34

What it actually costs

Lower 10% A$2,545Median A$4,672Upper 10% A$8,683

Middle half sell between A$3,393 to A$6,396

Certificated stones with a live price only, 4,876 of them. Each contributes its best available price.

The same stone, priced differently

Typical spread

46%

Typical difference

A$1,783

Stones compared

3,415

Across 3,415 stones of this size and shape carried by more than one retailer, the dearest listing sits 46% above the cheapest for the identical certificated diamond, a typical gap of A$1,783. 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.

Show 15 more retailers
  14. 24

    GemTrove

    300 in stock
    AU

Stock counts are updated daily. Founded, return window and shipping details are retailer-provided and were last verified June 15, 2026.

2 of the 25 retailers ship to Australia. 23 do not.

Narrow it down by grade

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

H VS21,245 · 52rI VS11,241 · 48rI VS21,191 · 45rF VS21,115 · 50rG VS21,037 · 47rH VS11,010 · 47rG VS1964 · 49rI VVS2839 · 43rE VS1693 · 50rE VS2662 · 49rF VS1631 · 50rG VVS2532 · 47rH VVS2510 · 50rH VVS1469 · 48rF VVS2451 · 48rD VS2440 · 46rI VVS1416 · 43rD VS1399 · 43rG VVS1382 · 46rE VVS2347 · 46rD VVS2263 · 46rE VVS1238 · 43rF VVS1184 · 43rD VVS1100 · 35rH IF62 · 27rE IF60 · 34rD IF49 · 24rG IF47 · 27rI IF35 · 23rF IF12 · 10r

Stones at this spec now

Live 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?

Across 3,415 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 46%, about A$1,783.

Can I see retailers for one exact grade?

Yes. Each of the 30 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?

Live listings refresh daily. 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.

Where to Buy 1.25ct Natural Cushion Diamonds | Carat Hunter