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Carat Hunter · Where to buy diamonds

Where to buy a 1ct natural cushion diamond

Every retailer in our index stocking this size and shape, 71 of them, across 68,030 live listings.

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

The market at this size and shape

Active listings

68,030

Retailers carrying

71

Median active price

NZ$4,350

Grade combinations

32

Certificate mix:GIA 57,284 · IGI 1,410 · HRD 653 · AGS 8

What it actually costs

Lower 10% NZ$2,229Median NZ$4,350Upper 10% NZ$8,925

Middle half sell between NZ$3,022 to NZ$6,231

Certificated stones with a live price only, 21,216 of them. Each contributes its best available price.

The same stone, priced differently

Typical spread

50%

Typical difference

NZ$1,945

Stones compared

14,056

Across 14,056 stones of this size and shape carried by more than one retailer, the dearest listing sits 50% above the cheapest for the identical certificated diamond, a typical gap of NZ$1,945. 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.

  8. 8

    MOH London

    2,340 in stock
    United Kingdom
Show 15 more retailers
  14. 24

    GemTrove

    1,309 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.

G VS14,717 · 62rG VS24,144 · 56rI VS13,907 · 53rH VS13,683 · 54rH VS23,553 · 54rF VS13,375 · 59rF VS23,340 · 57rE VS13,290 · 57rD VS13,095 · 56rG VVS22,932 · 57rE VS22,931 · 55rI VS22,858 · 47rH VVS22,774 · 58rI VVS22,735 · 50rE VVS22,295 · 56rD VS22,226 · 54rF VVS22,181 · 56rG VVS12,133 · 53rH VVS12,051 · 53rF VVS11,938 · 55rI VVS11,784 · 51rD VVS21,731 · 53rE VVS11,331 · 54rD VVS11,180 · 55rH IF465 · 46rF IF385 · 47rI IF312 · 41rG IF228 · 42rE IF226 · 42rD IF174 · 31rH FL26 · 19rD FL10 · 9r

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 14,056 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 50%, about NZ$1,945.

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 Cushion Diamonds | Carat Hunter