How much does a 2.00 to 2.99ct D SI1 natural marquise diamond cost?

As of September 2026, 2.00 to 2.99ct D SI1 natural marquise diamonds typically cost ₹19,93,835 INR to ₹36,25,624 INR, with a median price of ₹25,86,954 INR. There are currently 346 diamonds matching this specification available across retailers.

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

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2.00 to 2.99ct D SI1 Natural Marquise

Quick answer

As of September 2026, there are 346 natural marquise diamonds with D colour and SI1 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run ₹19,93,835 INR to ₹36,25,624 INR, with a median of ₹25,86,954 INR. At least 53 retailers stock this exact specification. Half of all listings fall between ₹10,90,569 INR and ₹13,80,824 INR per carat. The same specification in lab grown form lists at a median of about ₹31,079 INR 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

346

Lowest Price

₹15,41,867 INR

Highest Price

₹1,22,26,360 INR

Average Price

₹27,38,695 INR

Market Intelligence

Retailers Selling

Price Spread

23.5%

Price Range

Price per carat distribution across retailers

$12,867/ct

10th Percentile

$10,197

Median

$12,867

90th Percentile

$16,147

Score Distribution

346 diamonds scored across 4 quality tiers

Excellent

23 (6.6%)

Very Good

82 (23.7%)

Good

138 (39.9%)

Average

103 (29.8%)

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Lab-Grown D SI1Same specifications, lab-grown origin

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Related Specifications

D IF D VVS1 D VVS2 D VS1 D VS2 D SI1 E IF E VVS1 E VVS2 E VS1 E VS2 E SI1 F IF F VVS1 F VVS2 F VS1 F VS2 F SI1 G IF G VVS1 G VVS2 G VS1 G VS2 G SI1 H IF H VVS1 H VVS2 H VS1 H VS2 H SI1 I IF I VVS1 I VVS2 I VS1 I VS2 I SI1