How much does a 5.00ct+ I SI2 lab grown heart diamond cost?

As of April 2026, 5.00ct+ I SI2 lab grown heart diamonds are available from $372 NZD to $153,947 NZD, with an average price of $8,312 NZD. There are currently 148 diamonds matching this specification available across retailers.

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5.00ct+ I SI2 Lab Grown Heart

As of April 2026, there are 148 lab grown heart diamonds with I color and SI2 clarity in the 5.00ct+ range available across retailers worldwide. Prices range from $372 NZD to $153,947 NZD, with an average of $8,312 NZD.

Last updated: April 2026

Available

148

Lowest Price

$372 NZD

Highest Price

$153,947 NZD

Average Price

$8,312 NZD

Score Distribution

148 diamonds scored across 4 quality tiers

Excellent

16 (10.8%)

Very Good

27 (18.2%)

Good

36 (24.3%)

Average

69 (46.6%)

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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