How much does a 1.50 to 1.99ct I VVS1 natural marquise diamond cost?

As of November 2026, 1.50 to 1.99ct I VVS1 natural marquise diamonds typically cost $10,969 SGD to $29,333 SGD, with a median price of $14,755 SGD. There are currently 13 diamonds matching this specification available across retailers.

Where can I find the best price on a I VVS1 marquise diamond?

About 38% 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 VVS1 Natural Marquise

Quick answer

As of November 2026, there are 13 natural marquise diamonds with I colour and VVS1 clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run $10,969 SGD to $29,333 SGD, with a median of $14,755 SGD. At least 52 retailers stock this exact specification, and 38% of the stones appear at more than one of them, with an average price spread of 31%. Half of all listings fall between $10,135 SGD and $13,803 SGD per carat. The same specification in lab grown form lists at a median of about $1,296 SGD per carat. Over the last 30 days the median price moved +1.2% and the number of listings moved +12.9%.

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. 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: November 2026

Available

Lowest Price

$5,087 SGD

Highest Price

$37,042 SGD

Average Price

$17,825 SGD