How much does a 1.00 to 1.49ct E SI1 natural radiant diamond cost?

As of September 2026, 1.00 to 1.49ct E SI1 natural radiant diamonds typically cost ₹1,98,161 INR to ₹5,10,413 INR, with a median price of ₹2,79,322 INR. There are currently 753 diamonds matching this specification available across retailers.

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

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

1.00 to 1.49ct E SI1 Natural Radiant

Quick answer

As of September 2026, there are 753 natural radiant diamonds with E colour and SI1 clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run ₹1,98,161 INR to ₹5,10,413 INR, with a median of ₹2,79,322 INR. At least 58 retailers stock this exact specification. Half of all listings fall between ₹2,42,289 INR and ₹3,63,483 INR per carat. The same specification in lab grown form lists at a median of about ₹41,765 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. Radiant natural stones in the index: 2,765 USD per carat, +6.0% 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

753

Lowest Price

₹1,15,222 INR

Highest Price

₹26,10,317 INR

Average Price

₹3,23,642 INR