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 £176 GBP to £10,287 GBP, with an average price of £2,093 GBP. There are currently 129 diamonds matching this specification available across retailers.

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5.00ct+ I SI2 Lab Grown Heart

As of April 2026, there are 129 lab grown heart diamonds with I color and SI2 clarity in the 5.00ct+ range available across retailers worldwide. Prices range from £176 GBP to £10,287 GBP, with an average of £2,093 GBP.

Last updated: April 2026

Available

129

Lowest Price

£176 GBP

Highest Price

£10,287 GBP

Average Price

£2,093 GBP

Score Distribution

129 diamonds scored across 4 quality tiers

Excellent

14 (10.9%)

Very Good

30 (23.3%)

Good

33 (25.6%)

Average

52 (40.3%)

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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