How much does a 2.00 to 2.99ct E SI1 natural princess diamond cost?

As of September 2026, 2.00 to 2.99ct E SI1 natural princess diamonds typically cost $10,949 USD to $25,810 USD, with a median price of $17,515 USD. There are currently 171 diamonds matching this specification available across retailers.

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

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2.00 to 2.99ct E SI1 Natural Princess

Quick answer

As of September 2026, there are 171 natural princess diamonds with E color and SI1 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run $10,949 USD to $25,810 USD, with a median of $17,515 USD. At least 50 retailers stock this exact specification. Half of all listings fall between $6,185 USD and $9,682 USD per carat. The same specification in lab grown form lists at a median of about $376 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

171

Lowest Price

$3,510 USD

Highest Price

$61,016 USD

Average Price

$17,979 USD

Market Intelligence

Retailers Selling

Price Spread

46.4%

Price Range

Price per carat distribution across retailers

$7,530/ct

10th Percentile

$5,284

Median

$7,530

90th Percentile

$12,059

Score Distribution

171 diamonds scored across 4 quality tiers

Excellent

8 (4.7%)

Very Good

45 (26.3%)

Good

57 (33.3%)

Average

61 (35.7%)

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Lab-Grown E 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