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

As of November 2026, 3.00 to 4.99ct G SI2 natural princess diamonds typically cost $36,125 NZD to $94,690 NZD, with a median price of $56,771 NZD. 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 39%. 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 November 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 $36,125 NZD to $94,690 NZD, with a median of $56,771 NZD. 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 39%. Half of all listings fall between $13,440 NZD and $19,792 NZD per carat. The same specification in lab grown form lists at a median of about $514 NZD per carat. Over the last 30 days the median price moved -0.2% and the number of listings moved +8.1%.

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: November 2026

Available

Lowest Price

$22,338 NZD

Highest Price

$167,346 NZD

Average Price

$59,893 NZD