How much does a 1.00 to 1.49ct H SI1 natural heart diamond cost?

As of October 2026, 1.00 to 1.49ct H SI1 natural heart diamonds typically cost $2,064 CAD to $6,768 CAD, with a median price of $3,322 CAD. There are currently 415 diamonds matching this specification available across retailers.

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

About 45% of these diamonds are available at multiple retailers, with an average price spread of 57%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct H SI1 Natural Heart

Quick answer

As of October 2026, there are 415 natural heart diamonds with H color and SI1 clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $2,064 CAD to $6,768 CAD, with a median of $3,322 CAD. At least 65 retailers stock this exact specification, and 45% of the stones appear at more than one of them, with an average price spread of 57%. Half of all listings fall between $2,319 CAD and $3,991 CAD per carat. The same specification in lab grown form lists at a median of about $1,126 CAD per carat. Over the last 30 days the median price moved -2.5% and the number of listings moved +18.2%.

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

415

Lowest Price

$1,367 CAD

Highest Price

$12,354 CAD

Average Price

$3,933 CAD

Market Intelligence

Retailers Selling

Cross Retailer %

45.1%

Price Spread

57.0%

30-Day Price Trend

-2.5%

30-Day Supply Change

+18.2%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$2,097/ct

10th Percentile

$1,419

Median

$2,097

90th Percentile

$3,956

Score Distribution

965 diamonds scored across 4 quality tiers

Excellent

165 (17.1%)

Very Good

180 (18.7%)

Good

190 (19.7%)

Average

430 (44.6%)

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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

Save 10%

Lab-Grown H SI1Same specifications, lab-grown origin

Save 45%

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