How much does a 2.00 to 2.99ct I SI2 natural heart diamond cost?

As of October 2026, 2.00 to 2.99ct I SI2 natural heart diamonds typically cost HK$44,911 HKD to HK$175,540 HKD, with a median price of HK$81,399 HKD. There are currently 194 diamonds matching this specification available across retailers.

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

About 43% of these diamonds are available at multiple retailers, with an average price spread of 50%. A comparison tool like Carat Hunter lets you see all the prices side by side.

2.00 to 2.99ct I SI2 Natural Heart

Quick answer

As of October 2026, there are 194 natural heart diamonds with I colour and SI2 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run HK$44,911 HKD to HK$175,540 HKD, with a median of HK$81,399 HKD. At least 51 retailers stock this exact specification, and 43% of the stones appear at more than one of them, with an average price spread of 50%. Half of all listings fall between HK$27,362 HKD and HK$44,326 HKD per carat. The same specification in lab grown form lists at a median of about HK$10,430 HKD per carat. Over the last 30 days the median price moved -1.9% and the number of listings moved +17.1%.

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

194

Lowest Price

HK$20,305 HKD

Highest Price

HK$370,003 HKD

Average Price

HK$97,500 HKD