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Carat Hunter · Where to buy diamonds

Where to buy a 3ct natural emerald diamond

Every retailer in our index stocking this size and shape, 63 of them, across 9,424 live listings.

Updated September 17, 2026 · Independent. Zero affiliate revenue.

The market at this size and shape

Active listings

9,424

Retailers carrying

63

Median active price

NZ$54,508

Grade combinations

33

Certificate mix:GIA 7,670 · IGI 590 · HRD 197

What it actually costs

Lower 10% NZ$24,890Median NZ$54,508Upper 10% NZ$96,564

Middle half sell between NZ$35,882 to NZ$74,881

Certificated stones with a live price only, 2,349 of them. Each contributes its best available price.

The same stone, priced differently

Typical spread

36%

Typical difference

NZ$16,744

Stones compared

1,493

Across 1,493 stones of this size and shape carried by more than one retailer, the dearest listing sits 36% above the cheapest for the identical certificated diamond, a typical gap of NZ$16,744. 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 June 15, 2026.

Narrow it down by grade

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

I VS1979 · 52rI VS2783 · 50rI VVS2712 · 50rH VS1561 · 55rH VS2541 · 45rI VVS1526 · 45rG VS2497 · 51rG VS1462 · 52rE VS1320 · 49rF VS1314 · 49rF VS2309 · 46rH VVS1303 · 48rD VS2301 · 50rH VVS2299 · 47rE VVS2246 · 44rG VVS1244 · 48rD VS1232 · 45rE VS2208 · 45rD VVS2200 · 42rG VVS2195 · 43rF VVS2190 · 49rE VVS1186 · 46rF VVS1140 · 44rD IF116 · 39rI IF101 · 28rD VVS199 · 38rG IF67 · 35rD FL66 · 26rF IF64 · 33rE FL59 · 27rH IF45 · 26rE IF36 · 23rG FL16 · 16r

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

  • Emerald: a rectangular step cut with a hall-of-mirrors look that requires high clarity.
  • 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 1,493 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 36%, about NZ$16,744.

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.

Where to Buy 3ct Natural Emerald Diamonds | Carat Hunter