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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, 64 of them, across 42,685 live listings.

Updated September 14, 2026 · Independent. Zero affiliate revenue.

The market at this size and shape

Active listings

42,685

Retailers carrying

64

Median active price

£1,936

Grade combinations

32

Certificate mix:GIA 37,119 · IGI 1,891 · HRD 401

What it actually costs

Lower 10% £1,105Median £1,936Upper 10% £3,412

Middle half sell between £1,439 to £2,580

Certificated stones with a live price only, 13,386 of them. Each contributes its best available price.

The same stone, priced differently

Typical spread

35%

Typical difference

£608

Stones compared

7,844

Across 7,844 stones of this size and shape carried by more than one retailer, the dearest listing sits 35% above the cheapest for the identical certificated diamond, a typical gap of £608. 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

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

5 of the 25 retailers ship to United Kingdom. 20 do not.

Narrow it down by grade

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

G VS12,718 · 57rG VS22,674 · 57rD VS12,595 · 56rH VS22,344 · 52rD VS22,312 · 51rH VS12,132 · 52rI VS21,892 · 49rG VVS21,875 · 54rE VS11,862 · 58rF VS11,783 · 56rD VVS21,743 · 52rF VS21,730 · 53rE VS21,592 · 53rI VS11,506 · 47rE VVS21,437 · 56rI VVS21,430 · 47rH VVS21,382 · 51rF VVS21,365 · 51rD VVS11,195 · 52rG VVS11,108 · 49rH VVS11,041 · 50rI VVS1984 · 41rF VVS1930 · 45rE VVS1877 · 51rG IF505 · 46rF IF411 · 41rH IF338 · 41rI IF293 · 31rE IF254 · 43rD IF250 · 43rD FL58 · 26rF FL33 · 21r

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 7,844 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 35%, about £608.

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