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

As of September 2026, 1.00 to 1.49ct G SI1 natural round diamonds typically cost ₹1,81,458 INR to ₹4,34,250 INR, with a median price of ₹2,58,650 INR. There are currently 7,497 diamonds matching this specification available across retailers.

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

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1.00 to 1.49ct G SI1 Natural Round

Quick answer

As of September 2026, there are 7,497 natural round diamonds with G colour and SI1 clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run ₹1,81,458 INR to ₹4,34,250 INR, with a median of ₹2,58,650 INR. At least 65 retailers stock this exact specification. Half of all listings fall between ₹2,29,538 INR and ₹3,16,667 INR per carat. The same specification in lab grown form lists at a median of about ₹61,525 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. Round natural stones in the index: 2,094 USD per carat, -3.8% 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

7,497

Lowest Price

₹54,583 INR

Highest Price

₹15,32,743 INR

Average Price

₹2,87,328 INR