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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, 66 of them, across 31,091 live listings.

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

The market at this size and shape

Active listings

31,091

Retailers carrying

66

Median active price

NZ$4,703

Grade combinations

32

Certificate mix:GIA 27,026 · IGI 815 · HRD 96 · AGS 6

What it actually costs

Lower 10% NZ$2,510Median NZ$4,703Upper 10% NZ$9,146

Middle half sell between NZ$3,317 to NZ$6,514

Certificated stones with a live price only, 10,248 of them. Each contributes its best available price.

The same stone, priced differently

Typical spread

43%

Typical difference

NZ$1,859

Stones compared

7,053

Across 7,053 stones of this size and shape carried by more than one retailer, the dearest listing sits 43% above the cheapest for the identical certificated diamond, a typical gap of NZ$1,859. 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
  2. 12

    MOH London

    876 in stock
    United Kingdom

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 VS22,148 · 57rG VS12,031 · 60rG VS21,926 · 57rH VS11,832 · 55rI VS21,770 · 53rI VS11,763 · 51rF VS21,670 · 58rE VS21,480 · 60rE VS11,306 · 57rG VVS21,295 · 59rH VVS21,280 · 58rF VS11,225 · 58rD VS21,154 · 57rH VVS11,048 · 54rF VVS21,023 · 57rI VVS1978 · 49rE VVS2920 · 54rI VVS2915 · 51rG VVS1845 · 57rD VS1795 · 55rD VVS2751 · 56rE VVS1661 · 56rF VVS1636 · 56rD VVS1537 · 54rG IF222 · 51rI IF207 · 37rD IF185 · 42rH IF166 · 43rE IF131 · 35rF IF125 · 44rI FL30 · 9rE FL30 · 25r

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 7,053 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 43%, about NZ$1,859.

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