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

As of September 2026, 3.00 to 4.99ct I IF natural heart diamonds typically cost $27,052 SGD to $102,621 SGD, with a median price of $70,110 SGD. There are currently 15 diamonds matching this specification available across retailers.

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

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3.00 to 4.99ct I IF Natural Heart

Quick answer

As of September 2026, there are 15 natural heart diamonds with I colour and IF clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run $27,052 SGD to $102,621 SGD, with a median of $70,110 SGD. At least 28 retailers stock this exact specification. Half of all listings fall between $10,719 SGD and $21,380 SGD 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

Lowest Price

$23,123 SGD

Highest Price

$171,505 SGD

Average Price

$69,370 SGD

Market Intelligence

Retailers Selling

Price Spread

62.0%

Price Range

Price per carat distribution across retailers

$13,509/ct

10th Percentile

$7,538

Median

$13,509

90th Percentile

$21,195

Score Distribution

15 diamonds scored across 4 quality tiers

Excellent

2 (13.3%)

Very Good

5 (33.3%)

Good

3 (20.0%)

Average

5 (33.3%)

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

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I VVS1VVS1 inclusions are not visible without magnification

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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