How much does a 3.00 to 4.99ct G SI2 natural heart diamond cost?

As of October 2026, 3.00 to 4.99ct G SI2 natural heart diamonds typically cost $13,110 USD to $85,994 USD, with a median price of $28,676 USD. There are currently 59 diamonds matching this specification available across retailers.

Where can I find the best price on a G SI2 heart diamond?

About 34% of these diamonds are available at multiple retailers, with an average price spread of 41%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct G SI2 Natural Heart

Quick answer

As of October 2026, there are 59 natural heart diamonds with G color and SI2 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run $13,110 USD to $85,994 USD, with a median of $28,676 USD. At least 39 retailers stock this exact specification, and 34% of the stones appear at more than one of them, with an average price spread of 41%. Half of all listings fall between $5,420 USD and $8,336 USD per carat. The same specification in lab grown form lists at a median of about $264 USD per carat. Over the last 30 days the median price moved -3.6% and the number of listings moved +9.3%.

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. Heart natural stones in the index: 2,374 USD per carat, +9.8% 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

$9,820 USD

Highest Price

$176,158 USD

Average Price

$40,843 USD