How much does a 1.00 to 1.49ct I IF natural radiant diamond cost?

As of October 2026, 1.00 to 1.49ct I IF natural radiant diamonds typically cost ₹1,94,725 INR to ₹5,63,036 INR, with a median price of ₹3,06,824 INR. There are currently 29 diamonds matching this specification available across retailers.

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

About 35% of these diamonds are available at multiple retailers, with an average price spread of 64%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct I IF Natural Radiant

Quick answer

As of October 2026, there are 29 natural radiant diamonds with I colour and IF clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run ₹1,94,725 INR to ₹5,63,036 INR, with a median of ₹3,06,824 INR. At least 51 retailers stock this exact specification, and 35% of the stones appear at more than one of them, with an average price spread of 64%. Half of all listings fall between ₹2,53,850 INR and ₹4,72,738 INR per carat. The same specification in lab grown form lists at a median of about ₹1,25,009 INR per carat. Over the last 30 days the median price moved +2.8% and the number of listings moved +26.5%.

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. Radiant natural stones in the index: 3,091 USD per carat, +13.2% 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

Lowest Price

₹1,50,213 INR

Highest Price

₹10,05,047 INR

Average Price

₹3,33,872 INR