How much does a 1.50 to 1.99ct J I1 lab grown princess diamond cost?

As of October 2026, 1.50 to 1.99ct J I1 lab grown princess diamonds typically cost $2,039 CAD to $7,840 CAD, with a median price of $4,940 CAD. There are currently 2 diamonds matching this specification available across retailers.

Where can I find the best price on a J I1 princess diamond?

About 100% of these diamonds are available at multiple retailers, with an average price spread of 112%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.50 to 1.99ct J I1 Lab Grown Princess

Quick answer

As of October 2026, there are 2 lab grown princess diamonds with J color and I1 clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run $2,039 CAD to $7,840 CAD, with a median of $4,940 CAD. At least 8 retailers stock this exact specification, and 100% of the stones appear at more than one of them, with an average price spread of 112%. Half of all listings fall between $735 CAD and $1,864 CAD per carat. The same specification in natural form lists at a median of about $3,435 CAD per carat.

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. Princess lab grown stones in the index: 461 USD per carat, -4.8% 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

$1,314 CAD

Highest Price

$8,859 CAD

Average Price

$4,940 CAD

Market Intelligence

Retailers Selling

Cross Retailer %

100.0%

Price Spread

112.0%

Price Range

Price per carat distribution across retailers

$720/ct

10th Percentile

$503

Median

$720

90th Percentile

$1,823

Score Distribution

2 diamonds scored across 1 quality tiers

Very Good

2 (100.0%)

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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