How much does a 1.00 to 1.49ct I VS1 natural marquise diamond cost?

As of November 2026, 1.00 to 1.49ct I VS1 natural marquise diamonds typically cost HK$18,711 HKD to HK$76,185 HKD, with a median price of HK$32,771 HKD. There are currently 108 diamonds matching this specification available across retailers.

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

About 41% of these diamonds are available at multiple retailers, with an average price spread of 46%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct I VS1 Natural Marquise

Quick answer

As of November 2026, there are 108 natural marquise diamonds with I colour and VS1 clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run HK$18,711 HKD to HK$76,185 HKD, with a median of HK$32,771 HKD. At least 61 retailers stock this exact specification, and 41% of the stones appear at more than one of them, with an average price spread of 46%. Half of all listings fall between HK$26,913 HKD and HK$42,783 HKD per carat. The same specification in lab grown form lists at a median of about HK$5,663 HKD per carat. Over the last 30 days the median price moved -0.2% and the number of listings moved +7.7%.

Three of the best scored stones at this specification right now:

Caratlytics Diamond Price Index, October 2026: natural diamonds at 2,202 USD per carat and lab-grown at 462 USD per carat, a natural to lab ratio of 4.8 to 1. Marquise natural stones in the index: 2,177 USD per carat, -4.2% 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: November 2026

Available

108

Lowest Price

HK$13,299 HKD

Highest Price

HK$152,150 HKD

Average Price

HK$41,709 HKD