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Carat Hunter · Where to buy diamonds

Where to buy a 3ct natural round diamond

Every retailer in our index stocking this size and shape, 64 of them, across 16,421 live listings.

Updated September 18, 2026 · Independent. Zero affiliate revenue.

The market at this size and shape

Active listings

16,421

Retailers carrying

64

Median active price

HK$233,285

Grade combinations

33

Certificate mix:GIA 12,764 · IGI 1,655 · HRD 659

What it actually costs

Lower 10% HK$117,565Median HK$233,285Upper 10% HK$469,959

Middle half sell between HK$157,432 to HK$333,524

Certificated stones with a live price only, 8,443 of them. Each contributes its best available price.

The same stone, priced differently

Typical spread

34%

Typical difference

HK$68,569

Stones compared

4,940

Across 4,940 stones of this size and shape carried by more than one retailer, the dearest listing sits 34% above the cheapest for the identical certificated diamond, a typical gap of HK$68,569. 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 VS21,588 · 51rH VS21,387 · 55rI VS11,254 · 52rH VS1996 · 50rF VS2746 · 51rG VS1742 · 52rH VVS2689 · 50rI VVS2679 · 48rE VS2679 · 49rG VVS2614 · 50rF VS1588 · 50rH VVS1573 · 47rG VS2543 · 48rG VVS1515 · 47rI VVS1480 · 45rE VS1456 · 49rD VS2437 · 51rD VS1423 · 46rD VVS2381 · 46rE VVS2351 · 48rD VVS1344 · 44rE VVS1303 · 45rF VVS2273 · 44rF VVS1272 · 40rD IF237 · 39rF IF214 · 44rI IF198 · 39rG IF124 · 32rD FL121 · 26rH IF103 · 32rE IF80 · 27rF FL20 · 17rE FL11 · 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

  • Round: the most common cut, with the highest light return per 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 4,940 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 34%, about HK$68,569.

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.