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

As of September 2026, 3.00 to 4.99ct D SI2 natural princess diamonds typically cost $22,930 USD to $47,599 USD, with a median price of $38,070 USD. There are currently 21 diamonds matching this specification available across retailers.

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

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3.00 to 4.99ct D SI2 Natural Princess

Quick answer

As of September 2026, there are 21 natural princess diamonds with D color and SI2 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run $22,930 USD to $47,599 USD, with a median of $38,070 USD. At least 36 retailers stock this exact specification. Half of all listings fall between $8,023 USD and $13,177 USD per carat. The same specification in lab grown form lists at a median of about $907 USD 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

$15,484 USD

Highest Price

$53,178 USD

Average Price

$36,809 USD

Market Intelligence

Retailers Selling

Price Spread

51.3%

Price Range

Price per carat distribution across retailers

$10,042/ct

10th Percentile

$6,531

Median

$10,042

90th Percentile

$14,844

Score Distribution

21 diamonds scored across 4 quality tiers

Excellent

4 (19.0%)

Very Good

4 (19.0%)

Good

6 (28.6%)

Average

7 (33.3%)

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Consider Instead

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

Lab-Grown D SI2Same 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