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

As of October 2026, 3.00 to 4.99ct D SI1 natural heart diamonds typically cost $40,469 CAD to $98,585 CAD, with a median price of $58,690 CAD. There are currently 33 diamonds matching this specification available across retailers.

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

About 32% of these diamonds are available at multiple retailers, with an average price spread of 27%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct D SI1 Natural Heart

Quick answer

As of October 2026, there are 33 natural heart diamonds with D color and SI1 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run $40,469 CAD to $98,585 CAD, with a median of $58,690 CAD. At least 49 retailers stock this exact specification, and 32% of the stones appear at more than one of them, with an average price spread of 27%. Half of all listings fall between $14,105 CAD and $18,452 CAD per carat. The same specification in lab grown form lists at a median of about $438 CAD per carat. Over the last 30 days the median price moved -1.3% and the number of listings moved +21.9%.

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

Caratlytics Diamond Price Index, September 2026: natural diamonds at 2,335 USD per carat and lab-grown at 443 USD per carat, a natural to lab ratio of 5.3 to 1. Heart natural stones in the index: 2,374 USD per carat, +9.8% month on month. See the full index release

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

Last updated: October 2026

Available

Lowest Price

$33,637 CAD

Highest Price

$225,920 CAD

Average Price

$63,719 CAD

Market Intelligence

Retailers Selling

Cross Retailer %

32.3%

Price Spread

27.1%

30-Day Price Trend

-1.3%

30-Day Supply Change

+21.9%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$11,496/ct

10th Percentile

$8,873

Median

$11,496

90th Percentile

$14,151

Score Distribution

95 diamonds scored across 4 quality tiers

Excellent

12 (12.6%)

Very Good

21 (22.1%)

Good

23 (24.2%)

Average

39 (41.1%)

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Consider Instead

Save money without compromising on what matters. These alternatives are visually similar but cost less.

D SI2SI2 inclusions are not visible without magnification

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Lab-Grown D SI1Same specifications, lab-grown origin

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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