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

As of November 2026, 0.20 to 0.49ct E SI2 natural princess diamonds typically cost €199 EUR to €699 EUR, with a median price of €344 EUR. There are currently 166 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 34%. 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 November 2026, there are 166 natural princess diamonds with E color and SI2 clarity in the 0.20 to 0.49ct range available across retailers worldwide. Prices typically run €199 EUR to €699 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 34%. Half of all listings fall between €832 EUR and €1,145 EUR per carat. Over the last 30 days the median price moved -4.2% and the number of listings moved +167.0%.

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: November 2026

Available

166

Lowest Price

€137 EUR

Highest Price

€1,533 EUR

Average Price

€405 EUR

Market Intelligence

Retailers Selling

Cross Retailer %

88.4%

Price Spread

33.7%

30-Day Price Trend

-4.2%

30-Day Supply Change

+167.0%

Volatility (30d)

0.07

Price Range

Price per carat distribution across retailers

$1,038/ct

10th Percentile

$666

Median

$1,038

90th Percentile

$1,799

Score Distribution

394 diamonds scored across 4 quality tiers

Excellent

90 (22.8%)

Very Good

77 (19.5%)

Good

100 (25.4%)

Average

127 (32.2%)

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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