How much does a 3.00 to 4.99ct E SI1 natural heart diamond cost?

As of October 2026, 3.00 to 4.99ct E SI1 natural heart diamonds typically cost $36,147 SGD to $105,249 SGD, with a median price of $56,997 SGD. There are currently 31 diamonds matching this specification available across retailers.

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

About 32% of these diamonds are available at multiple retailers, with an average price spread of 27%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct E SI1 Natural Heart

Quick answer

As of October 2026, there are 31 natural heart diamonds with E colour and SI1 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run $36,147 SGD to $105,249 SGD, with a median of $56,997 SGD. At least 49 retailers stock this exact specification, and 32% of the stones appear at more than one of them, with an average price spread of 27%. Half of all listings fall between $12,908 SGD and $16,887 SGD per carat. The same specification in lab grown form lists at a median of about $401 SGD per carat. Over the last 30 days the median price moved -1.3% and the number of listings moved +21.9%.

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

$28,458 SGD

Highest Price

$183,755 SGD

Average Price

$67,120 SGD