How much does a 3.00 to 4.99ct F SI1 natural oval diamond cost?

As of September 2026, 3.00 to 4.99ct F SI1 natural oval diamonds typically cost $26,761 USD to $75,213 USD, with a median price of $46,353 USD. There are currently 302 diamonds matching this specification available across retailers.

Where can I find the best price on a F SI1 oval diamond?

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3.00 to 4.99ct F SI1 Natural Oval

Quick answer

As of September 2026, there are 302 natural oval diamonds with F color and SI1 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run $26,761 USD to $75,213 USD, with a median of $46,353 USD. At least 50 retailers stock this exact specification. Half of all listings fall between $13,105 USD and $17,195 USD per carat. The same specification in lab grown form lists at a median of about $345 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. Oval natural stones in the index: 2,380 USD per carat, -9.6% 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

302

Lowest Price

$16,753 USD

Highest Price

$174,068 USD

Average Price

$50,225 USD

Market Intelligence

Retailers Selling

Price Spread

26.6%

Price Range

Price per carat distribution across retailers

$15,355/ct

10th Percentile

$10,175

Median

$15,355

90th Percentile

$19,342

Score Distribution

302 diamonds scored across 4 quality tiers

Excellent

40 (13.2%)

Very Good

74 (24.5%)

Good

107 (35.4%)

Average

81 (26.8%)

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Consider Instead

Save money without compromising on what matters. These alternatives are visually similar but cost less.

F SI2SI2 inclusions are not visible without magnification

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Lab-Grown F SI1Same specifications, lab-grown origin

Save 98%

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