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

As of September 2026, 3.00 to 4.99ct F IF lab grown marquise diamonds typically cost $1,834 USD to $11,510 USD, with a median price of $4,705 USD. There are currently 40 diamonds matching this specification available across retailers.

Where can I find the best price on a F IF marquise diamond?

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3.00 to 4.99ct F IF Lab Grown Marquise

Quick answer

As of September 2026, there are 40 lab grown marquise diamonds with F color and IF clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run $1,834 USD to $11,510 USD, with a median of $4,705 USD. At least 22 retailers stock this exact specification. Half of all listings fall between $952 USD and $2,270 USD per carat. The same specification in natural form lists at a median of about $20,914 USD 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

Lowest Price

$1,132 USD

Highest Price

$30,943 USD

Average Price

$6,405 USD

Market Intelligence

Retailers Selling

Price Spread

93.2%

Price Range

Price per carat distribution across retailers

$1,414/ct

10th Percentile

$612

Median

$1,414

90th Percentile

$3,061

Score Distribution

40 diamonds scored across 4 quality tiers

Excellent

10 (25.0%)

Very Good

12 (30.0%)

Good

9 (22.5%)

Average

9 (22.5%)

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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