How much does a 3.00 to 4.99ct F I1 natural marquise diamond cost?

As of October 2026, 3.00 to 4.99ct F I1 natural marquise diamonds typically cost $10,478 USD to $62,999 USD, with a median price of $25,553 USD. There are currently 3 diamonds matching this specification available across retailers.

Where can I find the best price on a F I1 marquise diamond?

About 27% of these diamonds are available at multiple retailers, with an average price spread of 114%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct F I1 Natural Marquise

Quick answer

As of October 2026, there are 3 natural marquise diamonds with F color and I1 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run $10,478 USD to $62,999 USD, with a median of $25,553 USD. At least 13 retailers stock this exact specification, and 27% of the stones appear at more than one of them, with an average price spread of 114%. Half of all listings fall between $1,673 USD and $3,750 USD per carat.

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

Caratlytics Diamond Price Index, September 2026: natural diamonds at 2,335 USD per carat and lab-grown at 443 USD per carat, a natural to lab ratio of 5.3 to 1. Marquise natural stones in the index: 2,268 USD per carat, +10.8% month on month. See the full index release

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

Last updated: October 2026

Available

Lowest Price

$8,502 USD

Highest Price

$64,362 USD

Average Price

$31,735 USD

Market Intelligence

Retailers Selling

Cross Retailer %

27.3%

Price Spread

113.6%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$1,829/ct

10th Percentile

$1,570

Median

$1,829

90th Percentile

$4,601

Score Distribution

8 diamonds scored across 3 quality tiers

Very Good

1 (12.5%)

Good

4 (50.0%)

Average

3 (37.5%)

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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