How much does a 3.00 to 4.99ct I VS1 natural round diamond cost?

As of October 2026, 3.00 to 4.99ct I VS1 natural round diamonds typically cost HK$223,123 HKD to HK$724,776 HKD, with a median price of HK$389,296 HKD. There are currently 289 diamonds matching this specification available across retailers.

Where can I find the best price on a I VS1 round diamond?

About 33% of these diamonds are available at multiple retailers, with an average price spread of 39%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct I VS1 Natural Round

Quick answer

As of October 2026, there are 289 natural round diamonds with I colour and VS1 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run HK$223,123 HKD to HK$724,776 HKD, with a median of HK$389,296 HKD. At least 64 retailers stock this exact specification, and 33% of the stones appear at more than one of them, with an average price spread of 39%. Half of all listings fall between HK$89,632 HKD and HK$133,092 HKD per carat. The same specification in lab grown form lists at a median of about HK$2,956 HKD per carat. Over the last 30 days the median price moved -0.3% and the number of listings moved +3.9%.

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. Round natural stones in the index: 2,248 USD per carat, +7.6% 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

289

Lowest Price

HK$126,240 HKD

Highest Price

HK$1,309,840 HKD

Average Price

HK$442,475 HKD