How much does a 3.00 to 4.99ct I VS1 lab grown heart diamond cost?

As of October 2026, 3.00 to 4.99ct I VS1 lab grown heart diamonds typically cost $648 CAD to $2,790 CAD, with a median price of $1,097 CAD. There are currently 15 diamonds matching this specification available across retailers.

Where can I find the best price on a I VS1 heart diamond?

About 36% of these diamonds are available at multiple retailers, with an average price spread of 95%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct I VS1 Lab Grown Heart

Quick answer

As of October 2026, there are 15 lab grown heart diamonds with I color and VS1 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run $648 CAD to $2,790 CAD, with a median of $1,097 CAD. At least 39 retailers stock this exact specification, and 36% of the stones appear at more than one of them, with an average price spread of 95%. Half of all listings fall between $368 CAD and $908 CAD per carat. The same specification in natural form lists at a median of about $16,914 CAD per carat. Over the last 30 days the median price moved +6.1% and the number of listings moved -10.9%.

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 lab grown stones in the index: 421 USD per carat, -1.8% 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

$647 CAD

Highest Price

$8,080 CAD

Average Price

$1,404 CAD

Market Intelligence

Retailers Selling

Cross Retailer %

36.5%

Price Spread

95.4%

30-Day Price Trend

+6.1%

30-Day Supply Change

-10.9%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$405/ct

10th Percentile

$177

Median

$405

90th Percentile

$1,053

Score Distribution

20 diamonds scored across 4 quality tiers

Excellent

13 (65.0%)

Very Good

3 (15.0%)

Good

3 (15.0%)

Average

1 (5.0%)

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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