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Carat Hunter · Where to buy diamonds

Where to buy a 1.5ct natural cushion diamond

Every retailer in our index stocking this size and shape, 68 of them, across 35,159 live listings.

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

The market at this size and shape

Active listings

35,159

Retailers carrying

68

Median active price

SGD 6,720

Grade combinations

31

Certificate mix:GIA 31,017 · IGI 491 · HRD 312 · AGS 2

What it actually costs

Lower 10% SGD 3,495Median SGD 6,720Upper 10% SGD 12,793

Middle half sell between SGD 4,688 to SGD 9,606

Certificated stones with a live price only, 10,753 of them. Each contributes its best available price.

The same stone, priced differently

Typical spread

55%

Typical difference

SGD 3,503

Stones compared

7,312

Across 7,312 stones of this size and shape carried by more than one retailer, the dearest listing sits 55% above the cheapest for the identical certificated diamond, a typical gap of SGD 3,503. 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.

  6. 6

    MOH London

    1,446 in stock
    United Kingdom
Show 15 more retailers
  13. 23

    GemTrove

    682 in stock
    AU

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 VS22,937 · 56rI VS12,912 · 53rI VS22,751 · 52rG VS22,680 · 56rH VS12,493 · 52rG VS12,017 · 57rF VS21,872 · 54rF VS11,616 · 54rH VVS21,574 · 55rI VVS21,563 · 46rE VS21,394 · 51rE VS11,355 · 55rD VS21,168 · 51rG VVS21,131 · 51rD VS11,098 · 49rI VVS11,052 · 46rH VVS1893 · 53rE VVS2827 · 51rG VVS1821 · 57rF VVS2625 · 48rE VVS1565 · 49rD VVS2494 · 48rF VVS1488 · 50rI IF176 · 37rD VVS1173 · 38rH IF162 · 37rF IF93 · 31rD IF67 · 24rG IF56 · 24rE IF52 · 22rD FL39 · 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

  • Cushion: a softened-corner square or rectangle with a vintage feel.
  • 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 7,312 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 55%, about SGD 3,503.

Can I see retailers for one exact grade?

Yes. Each of the 31 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 1.5ct Natural Cushion Diamonds | Carat Hunter