How much does a 5.00ct+ D IF lab grown heart diamond cost?

As of September 2026, 5.00ct+ D IF lab grown heart diamonds typically cost $12,719 AUD to $93,797 AUD, with a median price of $29,964 AUD. There are currently 80 diamonds matching this specification available across retailers.

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

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5.00ct+ D IF Lab Grown Heart

Quick answer

As of September 2026, there are 80 lab grown heart diamonds with D colour and IF clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run $12,719 AUD to $93,797 AUD, with a median of $29,964 AUD. At least 10 retailers stock this exact specification. Half of all listings fall between $15,992 AUD and $34,551 AUD per carat. The same specification in natural form lists at a median of about $77,684 AUD 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

Lowest Price

$9,564 AUD

Highest Price

$740,153 AUD

Average Price

$45,443 AUD

Market Intelligence

Retailers Selling

Price Spread

71.0%

Price Range

Price per carat distribution across retailers

$18,760/ct

10th Percentile

$9,886

Median

$18,760

90th Percentile

$31,326

Score Distribution

80 diamonds scored across 4 quality tiers

Excellent

34 (42.5%)

Very Good

27 (33.8%)

Good

15 (18.8%)

Average

4 (5.0%)

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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