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

As of July 2026, 3.00 to 4.99ct J SI2 lab grown marquise diamonds typically cost €12,752 EUR to €30,441 EUR, with a median price of €17,980 EUR. There are currently 4 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 to 4.99ct J SI2 Lab Grown Marquise

Last updated: July 2026

Available

Lowest Price

€12,520 EUR

Highest Price

€33,773 EUR

Average Price

€20,563 EUR

Score Distribution

4 diamonds scored across 1 quality tiers

Average

4 (100.0%)

Find Your Diamond

Search 4 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