How much does a 3.00 to 4.99ct G SI2 natural princess diamond cost?

As of October 2026, 3.00 to 4.99ct G SI2 natural princess diamonds typically cost $27,367 SGD to $68,545 SGD, with a median price of $41,028 SGD. There are currently 21 diamonds matching this specification available across retailers.

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

About 30% of these diamonds are available at multiple retailers, with an average price spread of 40%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct G SI2 Natural Princess

Quick answer

As of October 2026, there are 21 natural princess diamonds with G colour and SI2 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run $27,367 SGD to $68,545 SGD, with a median of $41,028 SGD. At least 42 retailers stock this exact specification, and 30% of the stones appear at more than one of them, with an average price spread of 40%. Half of all listings fall between $9,754 SGD and $14,545 SGD per carat. The same specification in lab grown form lists at a median of about $372 SGD per carat. Over the last 30 days the median price moved -0.0% and the number of listings moved +7.7%.

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

$16,290 SGD

Highest Price

$120,886 SGD

Average Price

$44,136 SGD