How much does a 1.50 to 1.99ct G VS1 natural marquise diamond cost?

As of October 2026, 1.50 to 1.99ct G VS1 natural marquise diamonds typically cost $11,661 USD to $20,848 USD, with a median price of $15,194 USD. There are currently 41 diamonds matching this specification available across retailers.

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

About 25% of these diamonds are available at multiple retailers, with an average price spread of 24%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.50 to 1.99ct G VS1 Natural Marquise

Quick answer

As of October 2026, there are 41 natural marquise diamonds with G color and VS1 clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run $11,661 USD to $20,848 USD, with a median of $15,194 USD. At least 62 retailers stock this exact specification, and 25% of the stones appear at more than one of them, with an average price spread of 24%. Half of all listings fall between $9,316 USD and $11,795 USD per carat. The same specification in lab grown form lists at a median of about $571 USD per carat. Over the last 30 days the median price moved -1.3% and the number of listings moved +22.4%.

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. 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

$8,841 USD

Highest Price

$32,731 USD

Average Price

$15,928 USD