How much does a 1.50 to 1.99ct I VS2 natural marquise diamond cost?

As of October 2026, 1.50 to 1.99ct I VS2 natural marquise diamonds typically cost $6,725 USD to $16,576 USD, with a median price of $9,814 USD. There are currently 50 diamonds matching this specification available across retailers.

Where can I find the best price on a I VS2 marquise diamond?

About 33% of these diamonds are available at multiple retailers, with an average price spread of 31%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.50 to 1.99ct I VS2 Natural Marquise

Quick answer

As of October 2026, there are 50 natural marquise diamonds with I color and VS2 clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run $6,725 USD to $16,576 USD, with a median of $9,814 USD. At least 59 retailers stock this exact specification, and 33% of the stones appear at more than one of them, with an average price spread of 31%. Half of all listings fall between $6,368 USD and $8,781 USD per carat. The same specification in lab grown form lists at a median of about $731 USD per carat. Over the last 30 days the median price moved -1.2% and the number of listings moved +20.1%.

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. Marquise natural stones in the index: 2,268 USD per carat, +10.8% 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

$4,800 USD

Highest Price

$31,451 USD

Average Price

$11,404 USD