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

As of September 2026, 2.00 to 2.99ct I SI2 natural princess diamonds typically cost $8,133 AUD to $24,628 AUD, with a median price of $14,769 AUD. There are currently 274 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 Natural Princess

Quick answer

As of September 2026, there are 274 natural princess diamonds with I colour and SI2 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run $8,133 AUD to $24,628 AUD, with a median of $14,769 AUD. At least 44 retailers stock this exact specification. Half of all listings fall between $5,813 AUD and $9,164 AUD per carat. The same specification in lab grown form lists at a median of about $3,833 AUD 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 natural stones in the index: 2,073 USD per carat, -3.2% 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

274

Lowest Price

$5,886 AUD

Highest Price

$52,888 AUD

Average Price

$16,080 AUD

Market Intelligence

Retailers Selling

Price Spread

45.9%

Price Range

Price per carat distribution across retailers

$4,744/ct

10th Percentile

$2,907

Median

$4,744

90th Percentile

$7,102

Score Distribution

274 diamonds scored across 4 quality tiers

Excellent

37 (13.5%)

Very Good

99 (36.1%)

Good

65 (23.7%)

Average

73 (26.6%)

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Consider Instead

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

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

Save 28%

Lab-Grown I SI2Same specifications, lab-grown origin

Save 57%

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