How much does a 3.00 to 4.99ct D IF lab grown marquise diamond cost?

As of September 2026, 3.00 to 4.99ct D IF lab grown marquise diamonds typically cost €3,187 EUR to €14,016 EUR, with a median price of €7,891 EUR. There are currently 706 diamonds matching this specification available across retailers.

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3.00 to 4.99ct D IF Lab Grown Marquise

Quick answer

As of September 2026, there are 706 lab grown marquise diamonds with D colour and IF clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run €3,187 EUR to €14,016 EUR, with a median of €7,891 EUR. At least 40 retailers stock this exact specification. Half of all listings fall between €1,365 EUR and €3,319 EUR per carat. The same specification in natural form lists at a median of about €25,069 EUR per carat.

Three of the best scored stones at this specification right now:

Caratlytics Diamond Price Index, August 2026: natural diamonds at 2,184 USD per carat and lab-grown at 464 USD per carat, a natural to lab ratio of 4.7 to 1. Marquise lab grown stones in the index: 500 USD per carat, -14.7% month on month. See the full index release

Figures come from live listings across more than 100 retailers and refresh daily. The index is a monthly release.

Last updated: September 2026

Available

706

Lowest Price

€1,880 EUR

Highest Price

€60,763 EUR

Average Price

€8,315 EUR

Market Intelligence

Retailers Selling

Price Spread

93.1%

Price Range

Price per carat distribution across retailers

$2,410/ct

10th Percentile

$1,147

Median

$2,410

90th Percentile

$5,755

Score Distribution

706 diamonds scored across 4 quality tiers

Excellent

173 (24.5%)

Very Good

199 (28.2%)

Good

260 (36.8%)

Average

74 (10.5%)

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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