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 $257 SGD to $20,035 SGD, with an average price of $4,434 SGD. There are currently 78 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 78 lab grown marquise diamonds with J color and SI2 clarity in the 3.00 - 4.99ct range available across retailers worldwide. Prices range from $257 SGD to $20,035 SGD, with an average of $4,434 SGD.

Last updated: April 2026

Available

Lowest Price

$257 SGD

Highest Price

$20,035 SGD

Average Price

$4,434 SGD

Score Distribution

78 diamonds scored across 4 quality tiers

Excellent

2 (2.6%)

Very Good

25 (32.1%)

Good

20 (25.6%)

Average

31 (39.7%)

Find Your Diamond

Search 78 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