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Carat Hunter · Where to buy diamonds

Where to buy a 1ct natural heart diamond

Every retailer in our index stocking this size and shape, 68 of them, across 49,139 live listings.

Updated September 20, 2026 · Independent. Zero affiliate revenue.

The market at this size and shape

Active listings

49,139

Retailers carrying

68

Median active price

A$3,381

Grade combinations

32

Certificate mix:GIA 42,596 · IGI 2,509 · HRD 671

What it actually costs

Lower 10% A$1,890Median A$3,381Upper 10% A$6,104

Middle half sell between A$2,460 to A$4,565

Certificated stones with a live price only, 13,905 of them. Each contributes its best available price.

The same stone, priced differently

Typical spread

64%

Typical difference

A$1,845

Stones compared

8,968

Across 8,968 stones of this size and shape carried by more than one retailer, the dearest listing sits 64% above the cheapest for the identical certificated diamond, a typical gap of A$1,845. 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

    2,055 in stock
    United Kingdom
Show 15 more retailers
  11. 21

    GemTrove

    1,048 in stock
    AU

Stock counts are updated daily. Founded, return window and shipping details are retailer-provided and were last verified September 2, 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.

G VS13,121 · 60rG VS23,019 · 60rD VS12,906 · 59rH VS22,730 · 55rD VS22,579 · 54rH VS12,519 · 55rI VS22,187 · 51rG VVS22,164 · 57rE VS12,146 · 62rD VVS22,082 · 55rF VS12,039 · 59rF VS21,999 · 56rE VS21,880 · 58rI VS11,791 · 51rE VVS21,668 · 59rI VVS21,655 · 50rH VVS21,569 · 54rF VVS21,504 · 54rD VVS11,402 · 55rG VVS11,293 · 53rH VVS11,192 · 54rI VVS11,109 · 44rF VVS11,072 · 49rE VVS1988 · 54rG IF570 · 50rF IF457 · 44rH IF394 · 45rI IF378 · 35rE IF291 · 47rD IF286 · 47rD FL78 · 28rF FL35 · 23r

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 8,968 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 64%, about A$1,845.

Can I see retailers for one exact grade?

Yes. Each of the 32 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 1ct Natural Heart Diamonds | Carat Hunter