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Carat Hunter · Where to buy diamonds

Where to buy a 3ct natural radiant diamond

Every retailer in our index stocking this size and shape, 63 of them, across 3,598 live listings.

Updated September 14, 2026 · Independent. Zero affiliate revenue.

The market at this size and shape

Active listings

3,598

Retailers carrying

63

Median active price

CA$42,280

Grade combinations

28

Certificate mix:GIA 3,074 · HRD 45 · IGI 35

What it actually costs

Lower 10% CA$18,436Median CA$42,280Upper 10% CA$70,029

Middle half sell between CA$28,689 to CA$56,494

Certificated stones with a live price only, 1,659 of them. Each contributes its best available price.

The same stone, priced differently

Typical spread

26%

Typical difference

CA$9,850

Stones compared

1,058

Across 1,058 stones of this size and shape carried by more than one retailer, the dearest listing sits 26% above the cheapest for the identical certificated diamond, a typical gap of CA$9,850. 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.

4 of the 25 retailers ship to Canada. 21 do not.

Narrow it down by grade

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

I VS1319 · 41rH VS2295 · 42rE VS1266 · 45rI VS2259 · 39rF VS2245 · 46rG VS2230 · 46rD VS2220 · 44rE VS2212 · 42rG VS1187 · 45rF VS1166 · 39rH VVS2158 · 46rH VS1147 · 36rG VVS1136 · 42rG VVS2117 · 39rI VVS2110 · 34rI VVS197 · 37rD VS164 · 29rD VVS258 · 28rH VVS153 · 24rD VVS147 · 30rE VVS246 · 26rF VVS129 · 19rF IF29 · 26rE VVS124 · 20rH IF24 · 15rF VVS218 · 9rE IF13 · 12rD FL12 · 5r

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

  • Radiant: a rectangular brilliant cut that combines the emerald outline with round-style faceting.
  • 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 1,058 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 26%, about CA$9,850.

Can I see retailers for one exact grade?

Yes. Each of the 28 color 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.