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Carat Hunter · Where to buy diamonds

Where to buy a 1.25ct natural heart diamond

Every retailer in our index stocking this size and shape, 64 of them, across 4,750 live listings.

Updated September 21, 2026 · Independent. Zero affiliate revenue.

The market at this size and shape

Active listings

4,750

Retailers carrying

64

Median active price

A$4,253

Grade combinations

30

Certificate mix:GIA 4,123 · IGI 287 · HRD 31

What it actually costs

Lower 10% A$2,466Median A$4,253Upper 10% A$8,425

Middle half sell between A$3,068 to A$6,022

Certificated stones with a live price only, 1,341 of them. Each contributes its best available price.

The same stone, priced differently

Typical spread

82%

Typical difference

A$3,151

Stones compared

948

Across 948 stones of this size and shape carried by more than one retailer, the dearest listing sits 82% above the cheapest for the identical certificated diamond, a typical gap of A$3,151. 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.

  4. 4

    MOH London

    231 in stock
    United Kingdom
Show 15 more retailers

Stock counts are updated daily. Founded, return window and shipping details are retailer-provided and were last verified March 7, 2026.

3 of the 25 retailers ship to Australia. 22 do not.

Narrow it down by grade

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

G VS2486 · 50rD VS2326 · 48rG VS1307 · 44rI VS1297 · 45rH VS2291 · 47rF VS2270 · 45rH VS1235 · 42rF VVS1219 · 49rI VVS2206 · 37rI VS2205 · 39rD VVS2202 · 42rD VS1187 · 41rE VS2170 · 36rF VS1159 · 32rE VS1145 · 47rH VVS1133 · 40rI VVS1108 · 39rG VVS2103 · 43rH VVS2100 · 32rG VVS196 · 35rE VVS286 · 28rG IF74 · 36rD VVS169 · 34rF VVS250 · 30rE IF50 · 27rD IF49 · 25rF IF40 · 30rI IF28 · 22rE VVS127 · 18rE FL19 · 17r

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

  • Heart: a brilliant cut with a cleft and a pointed tip, classic and recognizable.
  • 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 948 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 82%, about A$3,151.

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 Heart Diamonds | Carat Hunter