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

As of November 2026, 2.00 to 2.99ct E SI1 lab grown princess diamonds typically cost €278 EUR to €2,157 EUR, with a median price of €850 EUR. There are currently 52 diamonds matching this specification available across retailers.

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

About 32% of these diamonds are available at multiple retailers, with an average price spread of 95%. A comparison tool like Carat Hunter lets you see all the prices side by side.

2.00 to 2.99ct E SI1 Lab Grown Princess

Quick answer

As of November 2026, there are 52 lab grown princess diamonds with E color and SI1 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run €278 EUR to €2,157 EUR, with a median of €850 EUR. At least 34 retailers stock this exact specification, and 32% of the stones appear at more than one of them, with an average price spread of 95%. Half of all listings fall between €235 EUR and €572 EUR per carat. The same specification in natural form lists at a median of about €8,074 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: November 2026

Available

Lowest Price

€182 EUR

Highest Price

€3,611 EUR

Average Price

€1,045 EUR

Market Intelligence

Retailers Selling

Cross Retailer %

31.8%

Price Spread

94.6%

30-Day Price Trend

+11.2%

30-Day Supply Change

+4.3%

Volatility (30d)

0.06

Price Range

Price per carat distribution across retailers

$398/ct

10th Percentile

$153

Median

$398

90th Percentile

$917

Score Distribution

150 diamonds scored across 4 quality tiers

Excellent

30 (20.0%)

Very Good

13 (8.7%)

Good

27 (18.0%)

Average

80 (53.3%)

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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