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

As of September 2026, 2.00 to 2.99ct I SI2 lab grown princess diamonds typically cost $1,378 SGD to $19,657 SGD, with a median price of $3,916 SGD. There are currently 38 diamonds matching this specification available across retailers.

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

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2.00 to 2.99ct I SI2 Lab Grown Princess

Quick answer

As of September 2026, there are 38 lab grown princess diamonds with I colour and SI2 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run $1,378 SGD to $19,657 SGD, with a median of $3,916 SGD. At least 13 retailers stock this exact specification. Half of all listings fall between $1,662 SGD and $7,558 SGD per carat. The same specification in natural form lists at a median of about $6,903 SGD per carat.

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

Caratlytics Diamond Price Index, August 2026: natural diamonds at 2,184 USD per carat and lab-grown at 464 USD per carat, a natural to lab ratio of 4.7 to 1. Princess lab grown stones in the index: 481 USD per carat, -7.3% month on month. See the full index release

Figures come from live listings across more than 100 retailers and refresh daily. The index is a monthly release.

Last updated: September 2026

Available

Lowest Price

$1,369 SGD

Highest Price

$23,367 SGD

Average Price

$8,369 SGD

Market Intelligence

Retailers Selling

Price Spread

225.4%

Price Range

Price per carat distribution across retailers

$2,063/ct

10th Percentile

$916

Median

$2,063

90th Percentile

$7,507

Score Distribution

38 diamonds scored across 4 quality tiers

Excellent

7 (18.4%)

Very Good

4 (10.5%)

Good

16 (42.1%)

Average

11 (28.9%)

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J SI2J colour is visually identical to I to the naked eye

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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