How much does a 0.75 to 0.99ct I VS1 natural round diamond cost?

As of October 2026, 0.75 to 0.99ct I VS1 natural round diamonds typically cost HK$10,244 HKD to HK$27,781 HKD, with a median price of HK$15,940 HKD. There are currently 1,504 diamonds matching this specification available across retailers.

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

About 38% 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.

0.75 to 0.99ct I VS1 Natural Round

Quick answer

As of October 2026, there are 1,504 natural round diamonds with I colour and VS1 clarity in the 0.75 to 0.99ct range available across retailers worldwide. Prices typically run HK$10,244 HKD to HK$27,781 HKD, with a median of HK$15,940 HKD. At least 66 retailers stock this exact specification, and 38% of the stones appear at more than one of them, with an average price spread of 50%. Half of all listings fall between HK$16,243 HKD and HK$26,342 HKD per carat. The same specification in lab grown form lists at a median of about HK$5,432 HKD per carat. Over the last 30 days the median price moved -2.8% and the number of listings moved +11.4%.

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

1,504

Lowest Price

HK$5,593 HKD

Highest Price

HK$51,995 HKD

Average Price

HK$17,726 HKD