How much does a 3.00 to 4.99ct D SI1 natural heart diamond cost?

As of September 2026, 3.00 to 4.99ct D SI1 natural heart diamonds typically cost $41,847 CAD to $101,845 CAD, with a median price of $55,379 CAD. There are currently 94 diamonds matching this specification available across retailers.

Where can I find the best price on a D SI1 heart diamond?

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3.00 to 4.99ct D SI1 Natural Heart

Quick answer

As of September 2026, there are 94 natural heart diamonds with D color and SI1 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run $41,847 CAD to $101,845 CAD, with a median of $55,379 CAD. At least 30 retailers stock this exact specification. Half of all listings fall between $14,081 CAD and $17,382 CAD per carat. The same specification in lab grown form lists at a median of about $487 CAD per carat.

Three of the best scored stones at this specification right now:

Caratlytics Diamond Price Index, August 2026: natural diamonds at 2,184 USD per carat and lab-grown at 464 USD per carat, a natural to lab ratio of 4.7 to 1. Heart natural stones in the index: 2,261 USD per carat, +1.7% month on month. See the full index release

Figures come from live listings across more than 100 retailers and refresh daily. The index is a monthly release.

Last updated: September 2026

Available

Lowest Price

$36,601 CAD

Highest Price

$158,062 CAD

Average Price

$62,147 CAD

Market Intelligence

Retailers Selling

Price Spread

21.1%

Price Range

Price per carat distribution across retailers

$11,286/ct

10th Percentile

$8,519

Median

$11,286

90th Percentile

$13,328

Score Distribution

94 diamonds scored across 4 quality tiers

Excellent

8 (8.5%)

Very Good

24 (25.5%)

Good

39 (41.5%)

Average

23 (24.5%)

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Related Specifications

D IF D VVS1 D VVS2 D VS1 D VS2 D SI1 E IF E VVS1 E VVS2 E VS1 E VS2 E SI1 F IF F VVS1 F VVS2 F VS1 F VS2 F SI1 G IF G VVS1 G VVS2 G VS1 G VS2 G SI1 H IF H VVS1 H VVS2 H VS1 H VS2 H SI1 I IF I VVS1 I VVS2 I VS1 I VS2 I SI1