How much does a 2.00 to 2.99ct E SI2 natural marquise diamond cost?

As of September 2026, 2.00 to 2.99ct E SI2 natural marquise diamonds typically cost $11,915 SGD to $34,041 SGD, with a median price of $21,420 SGD. There are currently 217 diamonds matching this specification available across retailers.

Where can I find the best price on a E SI2 marquise diamond?

Compare prices across retailers on Carat Hunter to see all your options.

2.00 to 2.99ct E SI2 Natural Marquise

Quick answer

As of September 2026, there are 217 natural marquise diamonds with E colour and SI2 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run $11,915 SGD to $34,041 SGD, with a median of $21,420 SGD. At least 45 retailers stock this exact specification. Half of all listings fall between $9,998 SGD and $13,632 SGD per carat. The same specification in lab grown form lists at a median of about $478 SGD per carat.

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

Caratlytics Diamond Price Index, August 2026: natural diamonds at 2,184 USD per carat and lab-grown at 464 USD per carat, a natural to lab ratio of 4.7 to 1. Marquise natural stones in the index: 2,114 USD per carat, -8.8% month on month. See the full index release

Figures come from live listings across more than 100 retailers and refresh daily. The index is a monthly release.

Last updated: September 2026

Available

217

Lowest Price

$8,183 SGD

Highest Price

$142,064 SGD

Average Price

$23,253 SGD