How much does a 0.75 to 0.99ct I SI1 natural oval diamond cost?

As of October 2026, 0.75 to 0.99ct I SI1 natural oval diamonds typically cost ₹88,943 INR to ₹2,46,736 INR, with a median price of ₹1,29,821 INR. There are currently 369 diamonds matching this specification available across retailers.

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

About 32% of these diamonds are available at multiple retailers, with an average price spread of 52%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.75 to 0.99ct I SI1 Natural Oval

Quick answer

As of October 2026, there are 369 natural oval diamonds with I colour and SI1 clarity in the 0.75 to 0.99ct range available across retailers worldwide. Prices typically run ₹88,943 INR to ₹2,46,736 INR, with a median of ₹1,29,821 INR. At least 60 retailers stock this exact specification, and 32% of the stones appear at more than one of them, with an average price spread of 52%. Half of all listings fall between ₹1,38,498 INR and ₹2,26,529 INR per carat. The same specification in lab grown form lists at a median of about ₹1,02,005 INR per carat. Over the last 30 days the median price moved -2.1% and the number of listings moved -1.1%.

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. Oval natural stones in the index: 2,655 USD per carat, +10.2% 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

369

Lowest Price

₹48,690 INR

Highest Price

₹4,61,655 INR

Average Price

₹1,49,145 INR