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Carat Hunter · Where to buy diamonds

Where to buy a 1.5ct natural marquise diamond

Every retailer in our index stocking this size and shape, 63 of them, across 6,146 live listings.

Updated September 21, 2026 · Independent. Zero affiliate revenue.

The market at this size and shape

Active listings

6,146

Retailers carrying

63

Median active price

NZ$13,948

Grade combinations

31

Certificate mix:GIA 5,305 · IGI 313 · HRD 12

What it actually costs

Lower 10% NZ$6,455Median NZ$13,948Upper 10% NZ$24,180

Middle half sell between NZ$9,135 to NZ$19,051

Certificated stones with a live price only, 3,270 of them. Each contributes its best available price.

The same stone, priced differently

Typical spread

37%

Typical difference

NZ$4,915

Stones compared

2,055

Across 2,055 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 NZ$4,915. 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 March 7, 2026.

Narrow it down by grade

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

D VS2531 · 51rD VS1404 · 49rE VS1344 · 50rD VVS1322 · 47rI VS2315 · 44rE VS2303 · 47rG VS2288 · 44rH VS2276 · 47rF VS2276 · 44rI VS1269 · 45rF VS1259 · 46rG VS1255 · 50rH VS1228 · 44rF VVS2192 · 44rG VVS1191 · 48rH VVS1166 · 40rD VVS2152 · 47rH VVS2149 · 40rI VVS1146 · 42rI VVS2138 · 36rD IF131 · 41rF VVS1128 · 45rD FL122 · 32rE VVS2115 · 39rG VVS2110 · 35rE VVS1100 · 43rI IF87 · 34rH IF48 · 25rE IF40 · 27rG IF33 · 18rF IF28 · 22r

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

  • Marquise: a pointed-end ellipse that faces up large for its carat.
  • 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 2,055 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 37%, about NZ$4,915.

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.