How much does a 3.00 to 4.99ct D SI2 natural heart diamond cost?

As of October 2026, 3.00 to 4.99ct D SI2 natural heart diamonds typically cost $26,802 CAD to $105,200 CAD, with a median price of $42,978 CAD. There are currently 24 diamonds matching this specification available across retailers.

Where can I find the best price on a D SI2 heart diamond?

About 37% of these diamonds are available at multiple retailers, with an average price spread of 51%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct D SI2 Natural Heart

Quick answer

As of October 2026, there are 24 natural heart diamonds with D color and SI2 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run $26,802 CAD to $105,200 CAD, with a median of $42,978 CAD. At least 30 retailers stock this exact specification, and 37% of the stones appear at more than one of them, with an average price spread of 51%. Half of all listings fall between $7,575 CAD and $12,901 CAD per carat. The same specification in lab grown form lists at a median of about $364 CAD per carat. Over the last 30 days the median price moved -1.5% and the number of listings moved +23.0%.

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

$17,715 CAD

Highest Price

$145,440 CAD

Average Price

$53,407 CAD

Market Intelligence

Retailers Selling

Cross Retailer %

36.8%

Price Spread

50.9%

30-Day Price Trend

-1.5%

30-Day Supply Change

+23.0%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$7,472/ct

10th Percentile

$4,396

Median

$7,472

90th Percentile

$10,234

Score Distribution

54 diamonds scored across 4 quality tiers

Excellent

13 (24.1%)

Very Good

16 (29.6%)

Good

8 (14.8%)

Average

17 (31.5%)

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Consider Instead

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

Lab-Grown D SI2Same 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