How much does a 3.00 to 4.99ct F FL natural round diamond cost?

As of September 2026, 3.00 to 4.99ct F FL natural round diamonds typically cost £59,376 GBP to £89,654 GBP, with a median price of £68,320 GBP. There are currently 11 diamonds matching this specification available across retailers.

Where can I find the best price on a F FL round diamond?

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3.00 to 4.99ct F FL Natural Round

Quick answer

As of September 2026, there are 11 natural round diamonds with F colour and FL clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run £59,376 GBP to £89,654 GBP, with a median of £68,320 GBP. At least 26 retailers stock this exact specification. Half of all listings fall between £17,956 GBP and £24,122 GBP per carat. The same specification in lab grown form lists at a median of about £1,676 GBP 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. Round natural stones in the index: 2,094 USD per carat, -3.8% 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

£57,543 GBP

Highest Price

£120,648 GBP

Average Price

£69,813 GBP

Market Intelligence

Retailers Selling

Price Spread

30.4%

Price Range

Price per carat distribution across retailers

$25,779/ct

10th Percentile

$19,353

Median

$25,779

90th Percentile

$33,830

Score Distribution

11 diamonds scored across 4 quality tiers

Excellent

2 (18.2%)

Very Good

5 (45.5%)

Good

3 (27.3%)

Average

1 (9.1%)

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Lab-Grown F FLSame specifications, lab-grown origin

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