How much does a 0.20 - 0.49ct I IF lab grown marquise diamond cost?

As of April 2026, 0.20 - 0.49ct I IF lab grown marquise diamonds are available from £521 GBP to £170,362 GBP, with an average price of £9,104 GBP. There are currently 27 diamonds matching this specification available across retailers.

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0.20 - 0.49ct I IF Lab Grown Marquise

As of April 2026, there are 27 lab grown marquise diamonds with I color and IF clarity in the 0.20 - 0.49ct range available across retailers worldwide. Prices range from £521 GBP to £170,362 GBP, with an average of £9,104 GBP.

Last updated: April 2026

Available

Lowest Price

£521 GBP

Highest Price

£170,362 GBP

Average Price

£9,104 GBP

Score Distribution

27 diamonds scored across 4 quality tiers

Excellent

2 (7.4%)

Very Good

17 (63.0%)

Good

4 (14.8%)

Average

4 (14.8%)

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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