How much does a 3.00 to 4.99ct J SI2 natural princess diamond cost?

As of October 2026, 3.00 to 4.99ct J SI2 natural princess diamonds typically cost $18,624 CAD to $54,174 CAD, with a median price of $35,620 CAD. There are currently 25 diamonds matching this specification available across retailers.

Where can I find the best price on a J SI2 princess diamond?

About 29% of these diamonds are available at multiple retailers, with an average price spread of 45%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct J SI2 Natural Princess

Quick answer

As of October 2026, there are 25 natural princess diamonds with J color and SI2 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run $18,624 CAD to $54,174 CAD, with a median of $35,620 CAD. At least 44 retailers stock this exact specification, and 29% of the stones appear at more than one of them, with an average price spread of 45%. Half of all listings fall between $6,717 CAD and $10,568 CAD per carat. The same specification in lab grown form lists at a median of about $4,396 CAD per carat. Over the last 30 days the median price moved -3.4% and the number of listings moved -1.6%.

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 natural stones in the index: 2,158 USD per carat, +5.7% 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

$16,750 CAD

Highest Price

$72,397 CAD

Average Price

$36,610 CAD

Market Intelligence

Retailers Selling

Cross Retailer %

28.8%

Price Spread

44.6%

30-Day Price Trend

-3.4%

30-Day Supply Change

-1.6%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$6,175/ct

10th Percentile

$4,358

Median

$6,175

90th Percentile

$8,821

Score Distribution

75 diamonds scored across 4 quality tiers

Excellent

8 (10.7%)

Very Good

15 (20.0%)

Good

15 (20.0%)

Average

37 (49.3%)

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Consider Instead

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

Lab-Grown J SI2Same specifications, lab-grown origin

Save 49%

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