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

As of September 2026, 3.00 to 4.99ct H SI1 natural heart diamonds typically cost $27,563 CAD to $80,465 CAD, with a median price of $44,700 CAD. There are currently 90 diamonds matching this specification available across retailers.

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

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3.00 to 4.99ct H SI1 Natural Heart

Quick answer

As of September 2026, there are 90 natural heart diamonds with H color and SI1 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run $27,563 CAD to $80,465 CAD, with a median of $44,700 CAD. At least 37 retailers stock this exact specification. Half of all listings fall between $9,494 CAD and $12,038 CAD per carat. The same specification in lab grown form lists at a median of about $1,321 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

$13,980 CAD

Highest Price

$239,452 CAD

Average Price

$52,948 CAD

Market Intelligence

Retailers Selling

Price Spread

23.9%

Price Range

Price per carat distribution across retailers

$7,662/ct

10th Percentile

$5,964

Median

$7,662

90th Percentile

$9,596

Score Distribution

90 diamonds scored across 4 quality tiers

Excellent

5 (5.6%)

Very Good

28 (31.1%)

Good

24 (26.7%)

Average

33 (36.7%)

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Consider Instead

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

H SI2SI2 inclusions are not visible without magnification

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Lab-Grown H 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