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Carat Hunter · Where to buy diamonds

Where to buy a 1.5ct natural radiant diamond

Every retailer in our index stocking this size and shape, 68 of them, across 12,907 live listings.

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

The market at this size and shape

Active listings

12,907

Retailers carrying

68

Median active price

SGD 8,086

Grade combinations

33

Certificate mix:GIA 11,285 · HRD 74 · IGI 67

What it actually costs

Lower 10% SGD 3,738Median SGD 8,086Upper 10% SGD 14,772

Middle half sell between SGD 5,454 to SGD 11,321

Certificated stones with a live price only, 4,635 of them. Each contributes its best available price.

The same stone, priced differently

Typical spread

37%

Typical difference

SGD 2,502

Stones compared

3,215

Across 3,215 stones of this size and shape carried by more than one retailer, the dearest listing sits 37% above the cheapest for the identical certificated diamond, a typical gap of SGD 2,502. 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
  8. 18

    MOH London

    299 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.

I VS21,169 · 51rG VS2942 · 54rH VS1930 · 50rG VS1904 · 53rF VS2812 · 54rH VS2803 · 56rI VS1711 · 45rH VVS2706 · 52rF VS1682 · 58rE VS2565 · 57rE VS1469 · 50rG VVS1438 · 52rI VVS1432 · 49rH VVS1409 · 50rD VS2397 · 54rD VS1395 · 48rF VVS2384 · 52rI VVS2376 · 45rG VVS2354 · 47rE VVS2244 · 47rD VVS2166 · 46rF VVS1155 · 39rD VVS199 · 43rE VVS196 · 36rI IF51 · 24rH IF43 · 27rG IF42 · 20rE IF39 · 23rD IF33 · 23rF IF16 · 14rH FL13 · 13rF FL13 · 12rI FL10 · 10r

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 3,215 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 37%, about SGD 2,502.

Can I see retailers for one exact grade?

Yes. Each of the 33 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.