How much does a 2.00 to 2.99ct I SI1 natural princess diamond cost?

As of October 2026, 2.00 to 2.99ct I SI1 natural princess diamonds typically cost $9,404 SGD to $30,551 SGD, with a median price of $16,770 SGD. There are currently 97 diamonds matching this specification available across retailers.

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

About 30% of these diamonds are available at multiple retailers, with an average price spread of 46%. A comparison tool like Carat Hunter lets you see all the prices side by side.

2.00 to 2.99ct I SI1 Natural Princess

Quick answer

As of October 2026, there are 97 natural princess diamonds with I colour and SI1 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run $9,404 SGD to $30,551 SGD, with a median of $16,770 SGD. At least 57 retailers stock this exact specification, and 30% of the stones appear at more than one of them, with an average price spread of 46%. Half of all listings fall between $5,763 SGD and $9,062 SGD per carat. The same specification in lab grown form lists at a median of about $1,237 SGD per carat. Over the last 30 days the median price moved -2.3% and the number of listings moved +10.1%.

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 natural stones in the index: 2,158 USD per carat, +5.7% 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

$6,679 SGD

Highest Price

$46,671 SGD

Average Price

$18,580 SGD