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

As of September 2026, 2.00 to 2.99ct D SI2 natural marquise diamonds typically cost $18,913 CAD to $41,437 CAD, with a median price of $27,047 CAD. There are currently 355 diamonds matching this specification available across retailers.

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

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2.00 to 2.99ct D SI2 Natural Marquise

Quick answer

As of September 2026, there are 355 natural marquise diamonds with D color and SI2 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run $18,913 CAD to $41,437 CAD, with a median of $27,047 CAD. At least 44 retailers stock this exact specification. Half of all listings fall between $11,066 CAD and $14,810 CAD per carat. The same specification in lab grown form lists at a median of about $520 CAD 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

355

Lowest Price

$11,722 CAD

Highest Price

$179,558 CAD

Average Price

$29,383 CAD

Market Intelligence

Retailers Selling

Price Spread

28.7%

Price Range

Price per carat distribution across retailers

$9,419/ct

10th Percentile

$5,749

Median

$9,419

90th Percentile

$12,142

Score Distribution

355 diamonds scored across 4 quality tiers

Excellent

75 (21.1%)

Very Good

113 (31.8%)

Good

92 (25.9%)

Average

75 (21.1%)

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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