How much does a 0.20 to 0.49ct E SI2 natural princess diamond cost?

As of October 2026, 0.20 to 0.49ct E SI2 natural princess diamonds typically cost €202 EUR to €689 EUR, with a median price of €344 EUR. There are currently 174 diamonds matching this specification available across retailers.

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

About 88% of these diamonds are available at multiple retailers, with an average price spread of 33%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.20 to 0.49ct E SI2 Natural Princess

Quick answer

As of October 2026, there are 174 natural princess diamonds with E colour and SI2 clarity in the 0.20 to 0.49ct range available across retailers worldwide. Prices typically run €202 EUR to €689 EUR, with a median of €344 EUR. At least 11 retailers stock this exact specification, and 88% of the stones appear at more than one of them, with an average price spread of 33%. Half of all listings fall between €825 EUR and €1,130 EUR per carat. Over the last 30 days the median price moved -16.3% and the number of listings moved +188.9%.

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

174

Lowest Price

€138 EUR

Highest Price

€1,539 EUR

Average Price

€404 EUR

Market Intelligence

Retailers Selling

Cross Retailer %

88.4%

Price Spread

33.1%

30-Day Price Trend

-16.3%

30-Day Supply Change

+188.9%

Volatility (30d)

0.06

Price Range

Price per carat distribution across retailers

$1,025/ct

10th Percentile

$665

Median

$1,025

90th Percentile

$1,562

Score Distribution

463 diamonds scored across 4 quality tiers

Excellent

99 (21.4%)

Very Good

111 (24.0%)

Good

124 (26.8%)

Average

129 (27.9%)

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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