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Carat Hunter · Where to buy diamonds

Where to buy a 3ct natural heart diamond

Every retailer in our index stocking this size and shape, 57 of them, across 2,635 live listings.

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

The market at this size and shape

Active listings

2,635

Retailers carrying

57

Median active price

CA$34,216

Grade combinations

28

Certificate mix:GIA 2,045 · IGI 244 · HRD 73

What it actually costs

Lower 10% CA$14,339Median CA$34,216Upper 10% CA$75,981

Middle half sell between CA$20,666 to CA$52,708

Certificated stones with a live price only, 1,146 of them. Each contributes its best available price.

The same stone, priced differently

Typical spread

25%

Typical difference

CA$7,904

Stones compared

700

Across 700 stones of this size and shape carried by more than one retailer, the dearest listing sits 25% above the cheapest for the identical certificated diamond, a typical gap of CA$7,904. 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
  7. 17Ritani58 in stock
    United States·Founded 1999·30-day returns·Ships to Canada
    Visit Ritani

Stock counts are updated daily. Founded, return window and shipping details are retailer-provided and were last verified June 15, 2026.

6 of the 25 retailers ship to Canada. 19 do not.

Narrow it down by grade

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

D VS2312 · 38rH VS2245 · 43rE VS2219 · 39rI VS2209 · 39rG VS2147 · 36rH VS1140 · 39rD VVS1126 · 38rI VS1111 · 31rI VVS1110 · 32rD VS197 · 33rD IF90 · 34rE VS189 · 35rD FL88 · 29rG VS180 · 25rG VVS262 · 26rI VVS259 · 23rH VVS158 · 32rF VS254 · 28rD VVS252 · 28rF VS150 · 35rH VVS250 · 28rE VVS238 · 27rG VVS130 · 18rF VVS129 · 17rE IF29 · 24rI IF18 · 14rE VVS113 · 9rF VVS211 · 6r

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

  • Heart: a brilliant cut with a cleft and a pointed tip, classic and recognizable.
  • 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 700 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 25%, about CA$7,904.

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.

Where to Buy 3ct Natural Heart Diamonds | Carat Hunter