How much does a 0.75 to 0.99ct H SI2 natural heart diamond cost?

As of October 2026, 0.75 to 0.99ct H SI2 natural heart diamonds typically cost $1,143 CAD to $4,327 CAD, with a median price of $1,861 CAD. There are currently 141 diamonds matching this specification available across retailers.

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

About 32% of these diamonds are available at multiple retailers, with an average price spread of 89%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.75 to 0.99ct H SI2 Natural Heart

Quick answer

As of October 2026, there are 141 natural heart diamonds with H color and SI2 clarity in the 0.75 to 0.99ct range available across retailers worldwide. Prices typically run $1,143 CAD to $4,327 CAD, with a median of $1,861 CAD. At least 53 retailers stock this exact specification, and 32% of the stones appear at more than one of them, with an average price spread of 89%. Half of all listings fall between $1,626 CAD and $3,552 CAD per carat. The same specification in lab grown form lists at a median of about $1,276 CAD per carat. Over the last 30 days the median price moved -2.1% and the number of listings moved +10.8%.

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

141

Lowest Price

$742 CAD

Highest Price

$8,993 CAD

Average Price

$2,405 CAD

Market Intelligence

Retailers Selling

Cross Retailer %

31.7%

Price Spread

88.8%

30-Day Price Trend

-2.1%

30-Day Supply Change

+10.8%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$1,544/ct

10th Percentile

$970

Median

$1,544

90th Percentile

$3,368

Score Distribution

398 diamonds scored across 4 quality tiers

Excellent

63 (15.8%)

Very Good

48 (12.1%)

Good

100 (25.1%)

Average

187 (47.0%)

Find Your Diamond

Search 141 H SI2 heart diamonds and compare prices.

Search Diamonds

Consider Instead

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

H I1I1 inclusions are not visible without magnification

Save 11%

Lab-Grown H SI2Same specifications, lab-grown origin

Save 41%

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