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 $422 AUD to $3,427 AUD, with a median price of $1,332 AUD. There are currently 61 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 93%. 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 61 lab grown princess diamonds with E colour and SI1 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run $422 AUD to $3,427 AUD, with a median of $1,332 AUD. 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 93%. Half of all listings fall between $379 AUD and $910 AUD per carat. The same specification in natural form lists at a median of about $12,741 AUD per carat. Over the last 30 days the median price moved +16.2% and the number of listings moved +6.8%.

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

$289 AUD

Highest Price

$5,737 AUD

Average Price

$1,655 AUD

Market Intelligence

Retailers Selling

Cross Retailer %

32.0%

Price Spread

93.1%

30-Day Price Trend

+16.2%

30-Day Supply Change

+6.8%

Volatility (30d)

0.06

Price Range

Price per carat distribution across retailers

$402/ct

10th Percentile

$158

Median

$402

90th Percentile

$947

Score Distribution

182 diamonds scored across 4 quality tiers

Excellent

34 (18.7%)

Very Good

15 (8.2%)

Good

41 (22.5%)

Average

92 (50.5%)

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Consider Instead

Save money without compromising on what matters. These alternatives are visually similar but cost less.

F SI1F colour is visually identical to E to the naked eye

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E SI2SI2 inclusions are not visible without magnification

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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