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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 28,513 live listings.

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

The market at this size and shape

Active listings

28,513

Retailers carrying

65

Median active price

SGD 3,433

Grade combinations

32

Certificate mix:GIA 24,658 · IGI 673 · HRD 84 · AGS 5

What it actually costs

Lower 10% SGD 1,863Median SGD 3,433Upper 10% SGD 6,645

Middle half sell between SGD 2,440 to SGD 4,724

Certificated stones with a live price only, 10,031 of them. Each contributes its best available price.

The same stone, priced differently

Typical spread

32%

Typical difference

SGD 953

Stones compared

6,719

Across 6,719 stones of this size and shape carried by more than one retailer, the dearest listing sits 32% above the cheapest for the identical certificated diamond, a typical gap of SGD 953. 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.

Narrow it down by grade

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

H VS21,954 · 55rG VS11,906 · 59rG VS21,766 · 56rH VS11,664 · 55rI VS21,619 · 52rI VS11,611 · 50rF VS21,528 · 57rE VS21,369 · 59rE VS11,208 · 56rG VVS21,202 · 58rH VVS21,174 · 56rF VS11,156 · 57rD VS21,026 · 56rH VVS11,001 · 53rF VVS2901 · 56rI VVS1896 · 49rI VVS2805 · 49rE VVS2799 · 53rG VVS1789 · 56rD VS1731 · 54rD VVS2713 · 54rE VVS1596 · 54rF VVS1573 · 55rD VVS1513 · 53rG IF200 · 49rI IF183 · 38rD IF175 · 41rH IF152 · 43rF IF125 · 41rE IF117 · 32rI FL28 · 9rE FL27 · 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

  • 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 6,719 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 32%, about SGD 953.

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