How much does a 1.00 to 1.49ct J VS1 lab grown heart diamond cost?

As of October 2026, 1.00 to 1.49ct J VS1 lab grown heart diamonds typically cost $480 CAD to $1,651 CAD, with a median price of $770 CAD. There are currently 1 diamonds matching this specification available across retailers.

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

About 50% of these diamonds are available at multiple retailers, with an average price spread of 68%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct J VS1 Lab Grown Heart

Quick answer

As of October 2026, there are 1 lab grown heart diamonds with J color and VS1 clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $480 CAD to $1,651 CAD, with a median of $770 CAD. At least 20 retailers stock this exact specification, and 50% of the stones appear at more than one of them, with an average price spread of 68%. Half of all listings fall between $529 CAD and $1,083 CAD per carat. The same specification in natural form lists at a median of about $3,476 CAD per carat. Over the last 30 days the median price moved -52.7% and the number of listings moved -13.3%.

Three of the best scored stones at this specification right now:

1.00ct Heart J VS1, IGI, grade B+, from $387 CAD

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

$387 CAD

Highest Price

$1,998 CAD

Average Price

$981 CAD

Market Intelligence

Retailers Selling

Cross Retailer %

50.0%

Price Spread

68.5%

30-Day Price Trend

-52.7%

30-Day Supply Change

-13.3%

Volatility (30d)

0.19

Price Range

Price per carat distribution across retailers

$580/ct

10th Percentile

$212

Median

$580

90th Percentile

$1,125

Score Distribution

4 diamonds scored across 3 quality tiers

Very Good

1 (25.0%)

Good

1 (25.0%)

Average

2 (50.0%)

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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