How much does a 3.00 to 4.99ct F SI1 natural princess diamond cost?

As of September 2026, 3.00 to 4.99ct F SI1 natural princess diamonds typically cost €20,075 EUR to €48,661 EUR, with a median price of €30,633 EUR. There are currently 59 diamonds matching this specification available across retailers.

Where can I find the best price on a F SI1 princess diamond?

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3.00 to 4.99ct F SI1 Natural Princess

Quick answer

As of September 2026, there are 59 natural princess diamonds with F colour and SI1 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run €20,075 EUR to €48,661 EUR, with a median of €30,633 EUR. At least 41 retailers stock this exact specification. Half of all listings fall between €8,077 EUR and €12,011 EUR per carat. The same specification in lab grown form lists at a median of about €315 EUR per carat.

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

Caratlytics Diamond Price Index, August 2026: natural diamonds at 2,184 USD per carat and lab-grown at 464 USD per carat, a natural to lab ratio of 4.7 to 1. Princess natural stones in the index: 2,073 USD per carat, -3.2% month on month. See the full index release

Figures come from live listings across more than 100 retailers and refresh daily. The index is a monthly release.

Last updated: September 2026

Available

Lowest Price

€5,295 EUR

Highest Price

€65,364 EUR

Average Price

€32,676 EUR

Market Intelligence

Retailers Selling

Price Spread

40.3%

Price Range

Price per carat distribution across retailers

$11,279/ct

10th Percentile

$7,610

Median

$11,279

90th Percentile

$15,693

Score Distribution

59 diamonds scored across 4 quality tiers

Excellent

7 (11.9%)

Very Good

15 (25.4%)

Good

19 (32.2%)

Average

18 (30.5%)

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Consider Instead

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

F SI2SI2 inclusions are not visible without magnification

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Lab-Grown F SI1Same specifications, lab-grown origin

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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