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

As of September 2026, 3.00 to 4.99ct E SI2 natural heart diamonds typically cost $25,209 NZD to $64,781 NZD, with a median price of $39,495 NZD. There are currently 50 diamonds matching this specification available across retailers.

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

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3.00 to 4.99ct E SI2 Natural Heart

Quick answer

As of September 2026, there are 50 natural heart diamonds with E colour and SI2 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run $25,209 NZD to $64,781 NZD, with a median of $39,495 NZD. At least 14 retailers stock this exact specification. Half of all listings fall between $8,779 NZD and $11,776 NZD per carat. The same specification in lab grown form lists at a median of about $492 NZD 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

$21,625 NZD

Highest Price

$174,144 NZD

Average Price

$46,667 NZD

Market Intelligence

Retailers Selling

Price Spread

32.1%

Price Range

Price per carat distribution across retailers

$5,440/ct

10th Percentile

$4,508

Median

$5,440

90th Percentile

$7,728

Score Distribution

50 diamonds scored across 4 quality tiers

Excellent

10 (20.0%)

Very Good

21 (42.0%)

Good

10 (20.0%)

Average

9 (18.0%)

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Consider Instead

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

Lab-Grown E 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