How much does a 3.00 to 4.99ct I SI1 natural princess diamond cost?

As of October 2026, 3.00 to 4.99ct I SI1 natural princess diamonds typically cost ₹17,18,739 INR to ₹42,68,176 INR, with a median price of ₹29,47,282 INR. There are currently 42 diamonds matching this specification available across retailers.

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

About 36% of these diamonds are available at multiple retailers, with an average price spread of 35%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct I SI1 Natural Princess

Quick answer

As of October 2026, there are 42 natural princess diamonds with I colour and SI1 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run ₹17,18,739 INR to ₹42,68,176 INR, with a median of ₹29,47,282 INR. At least 52 retailers stock this exact specification, and 36% of the stones appear at more than one of them, with an average price spread of 35%. Half of all listings fall between ₹7,32,182 INR and ₹10,28,679 INR per carat. The same specification in lab grown form lists at a median of about ₹39,211 INR per carat. Over the last 30 days the median price moved -0.9% and the number of listings moved +3.2%.

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

₹9,92,337 INR

Highest Price

₹70,46,593 INR

Average Price

₹30,04,431 INR