How much does a 3.00 to 4.99ct I SI2 natural heart diamond cost?

As of September 2026, 3.00 to 4.99ct I SI2 natural heart diamonds typically cost ₹9,40,391 INR to ₹47,23,204 INR, with a median price of ₹21,44,142 INR. There are currently 162 diamonds matching this specification available across retailers.

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

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3.00 to 4.99ct I SI2 Natural Heart

Quick answer

As of September 2026, there are 162 natural heart diamonds with I colour and SI2 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run ₹9,40,391 INR to ₹47,23,204 INR, with a median of ₹21,44,142 INR. At least 11 retailers stock this exact specification. Half of all listings fall between ₹3,22,724 INR and ₹3,82,227 INR per carat. The same specification in lab grown form lists at a median of about ₹1,16,220 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. Heart natural stones in the index: 2,261 USD per carat, +1.7% 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

162

Lowest Price

₹7,29,008 INR

Highest Price

₹1,69,04,122 INR

Average Price

₹25,55,866 INR

Market Intelligence

Retailers Selling

Price Spread

16.7%

Price Range

Price per carat distribution across retailers

$3,720/ct

10th Percentile

$3,104

Median

$3,720

90th Percentile

$4,131

Score Distribution

162 diamonds scored across 4 quality tiers

Excellent

24 (14.8%)

Very Good

50 (30.9%)

Good

50 (30.9%)

Average

38 (23.5%)

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Consider Instead

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

J SI2J colour is visually identical to I to the naked eye

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Lab-Grown I 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