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

As of September 2026, 2.00 to 2.99ct H SI2 natural marquise diamonds typically cost $8,018 USD to $23,723 USD, with a median price of $14,426 USD. There are currently 413 diamonds matching this specification available across retailers.

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

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2.00 to 2.99ct H SI2 Natural Marquise

Quick answer

As of September 2026, there are 413 natural marquise diamonds with H color and SI2 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run $8,018 USD to $23,723 USD, with a median of $14,426 USD. At least 44 retailers stock this exact specification. Half of all listings fall between $5,691 USD and $8,869 USD per carat. The same specification in lab grown form lists at a median of about $4,521 USD 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

413

Lowest Price

$4,995 USD

Highest Price

$61,375 USD

Average Price

$15,441 USD

Market Intelligence

Retailers Selling

Price Spread

42.7%

Price Range

Price per carat distribution across retailers

$7,451/ct

10th Percentile

$4,253

Median

$7,451

90th Percentile

$10,098

Score Distribution

413 diamonds scored across 4 quality tiers

Excellent

54 (13.1%)

Very Good

121 (29.3%)

Good

147 (35.6%)

Average

91 (22.0%)

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Consider Instead

Save money without compromising on what matters. These alternatives are visually similar but cost less.

H I1I1 inclusions are not visible without magnification

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Lab-Grown H SI2Same 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