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Carat Hunter · Where to buy diamonds

Where to buy a 1ct natural radiant diamond

Every retailer in our index stocking this size and shape, 65 of them, across 29,992 live listings.

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

The market at this size and shape

Active listings

29,992

Retailers carrying

65

Median active price

A$3,767

Grade combinations

32

Certificate mix:GIA 26,020 · IGI 747 · HRD 92 · AGS 6

What it actually costs

Lower 10% A$2,015Median A$3,767Upper 10% A$7,342

Middle half sell between A$2,661 to A$5,216

Certificated stones with a live price only, 10,154 of them. Each contributes its best available price.

The same stone, priced differently

Typical spread

36%

Typical difference

A$1,201

Stones compared

6,888

Across 6,888 stones of this size and shape carried by more than one retailer, the dearest listing sits 36% above the cheapest for the identical certificated diamond, a typical gap of A$1,201. 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.

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 VS22,056 · 55rG VS11,974 · 59rG VS21,833 · 56rH VS11,756 · 54rI VS21,711 · 52rI VS11,698 · 50rF VS21,602 · 57rE VS21,444 · 59rE VS11,276 · 56rG VVS21,252 · 58rH VVS21,235 · 56rF VS11,201 · 57rD VS21,091 · 56rH VVS11,031 · 53rF VVS2986 · 56rI VVS1938 · 48rE VVS2880 · 53rI VVS2866 · 50rG VVS1824 · 56rD VS1769 · 54rD VVS2733 · 54rE VVS1631 · 54rF VVS1607 · 55rD VVS1528 · 53rG IF212 · 50rI IF199 · 36rD IF181 · 41rH IF159 · 42rE IF128 · 34rF IF126 · 42rI FL30 · 9rE FL29 · 24r

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

  • Radiant: a rectangular brilliant cut that combines the emerald outline with round-style faceting.
  • 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 6,888 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 36%, about A$1,201.

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 Radiant Diamonds | Carat Hunter