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

As of November 6, 2026, 0.20 to 0.49ct E SI2 natural oval diamonds typically cost €233 EUR to €597 EUR, with a median price of €363 EUR. There are currently 2,156 diamonds matching this specification available across retailers.

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

About 28% of these diamonds are available at multiple retailers, with an average price spread of 40%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.20 to 0.49ct E SI2 Natural Oval

Quick answer

As of November 6, 2026, there are 2,156 natural oval diamonds with E colour and SI2 clarity in the 0.20 to 0.49ct range available across retailers worldwide. Prices typically run €233 EUR to €597 EUR, with a median of €363 EUR. Half of all listings fall between €806 EUR and €1,216 EUR per carat. The same specification in lab grown form lists at a median of about €448 EUR per carat. Over the last 30 days the median price moved +1.5% and the number of listings moved +7.6%.

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

Caratlytics Diamond Price Index, October 2026: natural diamonds at 2,202 USD per carat and lab-grown at 462 USD per carat, a natural to lab ratio of 4.8 to 1. Oval natural stones in the index: 2,512 USD per carat, -7.2% month on month. See the full index release

Figures come from current listings across more than 125 retailers. The index is a monthly release.

Last updated: November 6, 2026

Available

2,156

Lowest Price

€84 EUR

Highest Price

€1,293 EUR

Average Price

€401 EUR

Market Intelligence

Cross Retailer %

28.3%

Price Spread

40.0%

30-Day Price Trend

+1.5%

30-Day Supply Change

+7.6%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$1,144/ct

10th Percentile

$799

Median

$1,144

90th Percentile

$1,868

Score Distribution

2.2K diamonds scored across 4 quality tiers

Excellent

307 (14.2%)

Very Good

859 (39.8%)

Good

387 (17.9%)

Average

603 (28.0%)

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Consider Instead

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Lab Grown E SI2

Save 53%

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