How much does a 1.50 to 1.99ct E SI1 natural marquise diamond cost?

As of November 2026, 1.50 to 1.99ct E SI1 natural marquise diamonds typically cost ₹8,71,622 INR to ₹26,52,713 INR, with a median price of ₹12,90,371 INR. There are currently 61 diamonds matching this specification available across retailers.

Where can I find the best price on a E SI1 marquise diamond?

About 32% of these diamonds are available at multiple retailers, with an average price spread of 33%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.50 to 1.99ct E SI1 Natural Marquise

Quick answer

As of November 2026, there are 61 natural marquise diamonds with E colour and SI1 clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run ₹8,71,622 INR to ₹26,52,713 INR, with a median of ₹12,90,371 INR. At least 62 retailers stock this exact specification, and 32% of the stones appear at more than one of them, with an average price spread of 33%. Half of all listings fall between ₹6,78,072 INR and ₹9,38,644 INR per carat. The same specification in lab grown form lists at a median of about ₹39,638 INR per carat. Over the last 30 days the median price moved -0.9% and the number of listings moved +13.0%.

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

₹5,86,796 INR

Highest Price

₹32,96,664 INR

Average Price

₹15,21,560 INR