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

As of October 2026, 3.00 to 4.99ct I VS1 lab grown princess diamonds typically cost $745 CAD to $9,126 CAD, with a median price of $2,515 CAD. There are currently 84 diamonds matching this specification available across retailers.

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

About 26% of these diamonds are available at multiple retailers, with an average price spread of 179%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct I VS1 Lab Grown Princess

Quick answer

As of October 2026, there are 84 lab grown princess diamonds with I color and VS1 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run $745 CAD to $9,126 CAD, with a median of $2,515 CAD. At least 42 retailers stock this exact specification, and 26% of the stones appear at more than one of them, with an average price spread of 179%. Half of all listings fall between $440 CAD and $1,858 CAD per carat. The same specification in natural form lists at a median of about $15,792 CAD per carat. Over the last 30 days the median price moved +5.3% and the number of listings moved +5.3%.

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

$507 CAD

Highest Price

$26,900 CAD

Average Price

$3,910 CAD

Market Intelligence

Retailers Selling

Cross Retailer %

25.5%

Price Spread

178.6%

30-Day Price Trend

+5.3%

30-Day Supply Change

+5.3%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$567/ct

10th Percentile

$193

Median

$567

90th Percentile

$3,289

Score Distribution

134 diamonds scored across 4 quality tiers

Excellent

41 (30.6%)

Very Good

28 (20.9%)

Good

29 (21.6%)

Average

36 (26.9%)

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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