How much does a 1.50 - 1.99ct I IF lab grown cushion diamond cost?

As of April 2026, 1.50 - 1.99ct I IF lab grown cushion diamonds are available from £348 GBP to £4,109 GBP, with an average price of £1,703 GBP. There are currently 14 diamonds matching this specification available across retailers.

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1.50 - 1.99ct I IF Lab Grown Cushion

As of April 2026, there are 14 lab grown cushion diamonds with I color and IF clarity in the 1.50 - 1.99ct range available across retailers worldwide. Prices range from £348 GBP to £4,109 GBP, with an average of £1,703 GBP.

Last updated: April 2026

Available

Lowest Price

£348 GBP

Highest Price

£4,109 GBP

Average Price

£1,703 GBP

Score Distribution

14 diamonds scored across 4 quality tiers

Excellent

1 (7.1%)

Very Good

2 (14.3%)

Good

2 (14.3%)

Average

9 (64.3%)

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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