How much does a 3.00 to 4.99ct H SI2 natural marquise diamond cost?

As of September 2026, 3.00 to 4.99ct H SI2 natural marquise diamonds typically cost ₹16,06,910 INR to ₹44,38,333 INR, with a median price of ₹26,13,528 INR. There are currently 111 diamonds matching this specification available across retailers.

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

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3.00 to 4.99ct H SI2 Natural Marquise

Quick answer

As of September 2026, there are 111 natural marquise diamonds with H colour and SI2 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run ₹16,06,910 INR to ₹44,38,333 INR, with a median of ₹26,13,528 INR. At least 43 retailers stock this exact specification. Half of all listings fall between ₹7,19,094 INR and ₹11,18,369 INR per carat. The same specification in lab grown form lists at a median of about ₹5,78,198 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

111

Lowest Price

₹13,86,833 INR

Highest Price

₹87,10,333 INR

Average Price

₹28,61,070 INR

Market Intelligence

Retailers Selling

Price Spread

41.6%

Price Range

Price per carat distribution across retailers

$11,523/ct

10th Percentile

$6,758

Median

$11,523

90th Percentile

$15,015

Score Distribution

111 diamonds scored across 4 quality tiers

Excellent

12 (10.8%)

Very Good

37 (33.3%)

Good

34 (30.6%)

Average

28 (25.2%)

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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