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

As of April 2026, 5.00ct+ I SI2 lab grown marquise diamonds are available from $268 CAD to $55,245 CAD, with an average price of $7,566 CAD. There are currently 78 diamonds matching this specification available across retailers.

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5.00ct+ I SI2 Lab Grown Marquise

As of April 2026, there are 78 lab grown marquise diamonds with I color and SI2 clarity in the 5.00ct+ range available across retailers worldwide. Prices range from $268 CAD to $55,245 CAD, with an average of $7,566 CAD.

Last updated: April 2026

Available

Lowest Price

$268 CAD

Highest Price

$55,245 CAD

Average Price

$7,566 CAD

Score Distribution

78 diamonds scored across 4 quality tiers

Excellent

4 (5.1%)

Very Good

27 (34.6%)

Good

24 (30.8%)

Average

23 (29.5%)

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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