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

As of April 2026, 5.00ct+ D SI2 lab grown marquise diamonds are available from $94 AUD to $87,825 AUD, with an average price of $3,108 AUD. There are currently 46 diamonds matching this specification available across retailers.

Where can I find the best price on a D SI2 marquise diamond?

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5.00ct+ D SI2 Lab Grown Marquise

As of April 2026, there are 46 lab grown marquise diamonds with D color and SI2 clarity in the 5.00ct+ range available across retailers worldwide. Prices range from $94 AUD to $87,825 AUD, with an average of $3,108 AUD.

Last updated: April 2026

Available

Lowest Price

$94 AUD

Highest Price

$87,825 AUD

Average Price

$3,108 AUD

Score Distribution

45 diamonds scored across 4 quality tiers

Excellent

3 (6.7%)

Very Good

7 (15.6%)

Good

11 (24.4%)

Average

24 (53.3%)

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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