How much does a 1.00 to 1.49ct G SI1 natural heart diamond cost?

As of September 2026, 1.00 to 1.49ct G SI1 natural heart diamonds typically cost ₹1,47,421 INR to ₹4,60,235 INR, with a median price of ₹2,16,704 INR. There are currently 1,004 diamonds matching this specification available across retailers.

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

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1.00 to 1.49ct G SI1 Natural Heart

Quick answer

As of September 2026, there are 1,004 natural heart diamonds with G colour and SI1 clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run ₹1,47,421 INR to ₹4,60,235 INR, with a median of ₹2,16,704 INR. At least 61 retailers stock this exact specification. Half of all listings fall between ₹1,81,714 INR and ₹2,76,884 INR per carat. The same specification in lab grown form lists at a median of about ₹71,559 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. Heart natural stones in the index: 2,261 USD per carat, +1.7% 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

1,004

Lowest Price

₹47,247 INR

Highest Price

₹9,52,684 INR

Average Price

₹2,64,494 INR