How much does a 3.00 - 4.99ct J SI2 lab grown marquise diamond cost?

As of April 2026, 3.00 - 4.99ct J SI2 lab grown marquise diamonds are available from $297 AUD to $23,117 AUD, with an average price of $5,512 AUD. There are currently 83 diamonds matching this specification available across retailers.

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

Compare prices across retailers on Carat Hunter to see all your options.

3.00 - 4.99ct J SI2 Lab Grown Marquise

As of April 2026, there are 83 lab grown marquise diamonds with J color and SI2 clarity in the 3.00 - 4.99ct range available across retailers worldwide. Prices range from $297 AUD to $23,117 AUD, with an average of $5,512 AUD.

Last updated: April 2026

Available

Lowest Price

$297 AUD

Highest Price

$23,117 AUD

Average Price

$5,512 AUD

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%)

Find Your Diamond

Search 83 J SI2 marquise diamonds and compare prices.

Search Diamonds

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