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

As of October 2026, 2.00 to 2.99ct E SI1 lab grown princess diamonds typically cost $297 USD to $2,410 USD, with a median price of $937 USD. 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 October 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 $297 USD to $2,410 USD, with a median of $937 USD. At least 33 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 $262 USD and $639 USD per carat. The same specification in natural form lists at a median of about $8,991 USD per carat. Over the last 30 days the median price moved +15.3% and the number of listings moved +7.4%.

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

$203 USD

Highest Price

$4,035 USD

Average Price

$1,161 USD

Market Intelligence

Retailers Selling

Cross Retailer %

32.4%

Price Spread

95.0%

30-Day Price Trend

+15.3%

30-Day Supply Change

+7.4%

Volatility (30d)

0.06

Price Range

Price per carat distribution across retailers

$397/ct

10th Percentile

$154

Median

$397

90th Percentile

$943

Score Distribution

151 diamonds scored across 4 quality tiers

Excellent

30 (19.9%)

Very Good

13 (8.6%)

Good

28 (18.5%)

Average

80 (53.0%)

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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