How much does a 2.00 to 2.99ct E SI2 lab grown princess diamond cost?

As of October 2026, 2.00 to 2.99ct E SI2 lab grown princess diamonds typically cost €213 EUR to €624 EUR, with a median price of €291 EUR. There are currently 3 diamonds matching this specification available across retailers.

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

About 75% of these diamonds are available at multiple retailers, with an average price spread of 176%. A comparison tool like Carat Hunter lets you see all the prices side by side.

2.00 to 2.99ct E SI2 Lab Grown Princess

Quick answer

As of October 2026, there are 3 lab grown princess diamonds with E color and SI2 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run €213 EUR to €624 EUR, with a median of €291 EUR. At least 19 retailers stock this exact specification, and 75% of the stones appear at more than one of them, with an average price spread of 176%. Half of all listings fall between €153 EUR and €534 EUR per carat. The same specification in natural form lists at a median of about €4,670 EUR per carat. Over the last 30 days the median price moved +11.2% and the number of listings moved +4.3%.

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 lab grown stones in the index: 461 USD per carat, -4.8% 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

Lowest Price

€179 EUR

Highest Price

€1,969 EUR

Average Price

€376 EUR

Market Intelligence

Retailers Selling

Cross Retailer %

75.0%

Price Spread

176.0%

30-Day Price Trend

+11.2%

30-Day Supply Change

+4.3%

Volatility (30d)

0.06

Price Range

Price per carat distribution across retailers

$242/ct

10th Percentile

$147

Median

$242

90th Percentile

$741

Score Distribution

6 diamonds scored across 4 quality tiers

Excellent

2 (33.3%)

Very Good

1 (16.7%)

Good

1 (16.7%)

Average

2 (33.3%)

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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