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

As of October 2026, 5.00ct+ D SI2 natural marquise diamonds typically cost $228,064 AUD to $454,949 AUD, with a median price of $258,825 AUD. There are currently 1 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 Natural Marquise

Last updated: October 2026

Available

Lowest Price

$220,373 AUD

Highest Price

$503,980 AUD

Average Price

$327,726 AUD

Score Distribution

3 diamonds scored across 3 quality tiers

Very Good

1 (33.3%)

Good

1 (33.3%)

Average

1 (33.3%)

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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