How much does a 3.00 to 4.99ct D IF lab grown heart diamond cost?

As of September 2026, 3.00 to 4.99ct D IF lab grown heart diamonds typically cost $3,614 NZD to $22,371 NZD, with a median price of $7,392 NZD. There are currently 516 diamonds matching this specification available across retailers.

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3.00 to 4.99ct D IF Lab Grown Heart

Quick answer

As of September 2026, there are 516 lab grown heart diamonds with D colour and IF clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run $3,614 NZD to $22,371 NZD, with a median of $7,392 NZD. At least 39 retailers stock this exact specification. Half of all listings fall between $1,625 NZD and $4,483 NZD per carat. The same specification in natural form lists at a median of about $59,986 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 lab grown stones in the index: 440 USD per carat, -9.4% 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

516

Lowest Price

$1,666 NZD

Highest Price

$113,559 NZD

Average Price

$10,665 NZD

Market Intelligence

Retailers Selling

Price Spread

125.1%

Price Range

Price per carat distribution across retailers

$1,315/ct

10th Percentile

$685

Median

$1,315

90th Percentile

$4,193

Score Distribution

516 diamonds scored across 4 quality tiers

Excellent

203 (39.3%)

Very Good

192 (37.2%)

Good

86 (16.7%)

Average

35 (6.8%)

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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