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 $655 CAD to $2,029 CAD, with a median price of $1,147 CAD. There are currently 18 diamonds matching this specification available across retailers.

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

About 37% of these diamonds are available at multiple retailers, with an average price spread of 96%. 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 18 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 $655 CAD to $2,029 CAD, with a median of $1,147 CAD. At least 38 retailers stock this exact specification, and 37% of the stones appear at more than one of them, with an average price spread of 96%. Half of all listings fall between $367 CAD and $910 CAD per carat. The same specification in natural form lists at a median of about $15,389 CAD per carat. Over the last 30 days the median price moved +6.1% and the number of listings moved -11.0%.

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 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

$1,402 CAD

Market Intelligence

Retailers Selling

Cross Retailer %

36.8%

Price Spread

95.6%

30-Day Price Trend

+6.1%

30-Day Supply Change

-11.0%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$406/ct

10th Percentile

$178

Median

$406

90th Percentile

$1,083

Score Distribution

32 diamonds scored across 4 quality tiers

Excellent

14 (43.8%)

Very Good

6 (18.8%)

Good

10 (31.3%)

Average

2 (6.3%)

Find Your Diamond

Search 18 I VS1 heart diamonds and compare prices.

Search Diamonds

Consider Instead

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

I VS2VS2 inclusions are not visible without magnification

Save 8%

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