How much does a 5.00ct+ I SI2 natural oval diamond cost?

As of September 2026, 5.00ct+ I SI2 natural oval diamonds typically cost ₹26,63,045 INR to ₹98,61,536 INR, with a median price of ₹52,78,417 INR. There are currently 137 diamonds matching this specification available across retailers.

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

Compare prices across retailers on Carat Hunter to see all your options.

5.00ct+ I SI2 Natural Oval

Quick answer

As of September 2026, there are 137 natural oval diamonds with I colour and SI2 clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run ₹26,63,045 INR to ₹98,61,536 INR, with a median of ₹52,78,417 INR. At least 9 retailers stock this exact specification. Half of all listings fall between ₹19,16,379 INR and ₹25,18,420 INR per carat. The same specification in lab grown form lists at a median of about ₹12,81,151 INR 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. Oval natural stones in the index: 2,380 USD per carat, -9.6% 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

137

Lowest Price

₹14,82,500 INR

Highest Price

₹3,12,95,000 INR

Average Price

₹57,29,001 INR