How much does a 2.00 to 2.99ct G SI1 natural radiant diamond cost?

As of September 2026, 2.00 to 2.99ct G SI1 natural radiant diamonds typically cost $12,385 USD to $27,918 USD, with a median price of $17,525 USD. There are currently 320 diamonds matching this specification available across retailers.

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

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

2.00 to 2.99ct G SI1 Natural Radiant

Quick answer

As of September 2026, there are 320 natural radiant diamonds with G color and SI1 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run $12,385 USD to $27,918 USD, with a median of $17,525 USD. At least 53 retailers stock this exact specification. Half of all listings fall between $7,477 USD and $9,773 USD per carat. The same specification in lab grown form lists at a median of about $930 USD 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

320

Lowest Price

$6,003 USD

Highest Price

$47,078 USD

Average Price

$18,981 USD