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

As of April 2026, 5.00ct+ J SI2 lab grown marquise diamonds are available from $322 NZD to $25,043 NZD, with an average price of $5,971 NZD. There are currently 83 diamonds matching this specification available across retailers.

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5.00ct+ J SI2 Lab Grown Marquise

As of April 2026, there are 83 lab grown marquise diamonds with J color and SI2 clarity in the 5.00ct+ range available across retailers worldwide. Prices range from $322 NZD to $25,043 NZD, with an average of $5,971 NZD.

Last updated: April 2026

Available

Lowest Price

$322 NZD

Highest Price

$25,043 NZD

Average Price

$5,971 NZD

Score Distribution

83 diamonds scored across 4 quality tiers

Excellent

3 (3.6%)

Very Good

23 (27.7%)

Good

25 (30.1%)

Average

32 (38.6%)

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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