How much does a 1.00 to 1.49ct F FL natural round diamond cost?

As of September 2026, 1.00 to 1.49ct F FL natural round diamonds typically cost £5,017 GBP to £12,352 GBP, with a median price of £7,603 GBP. There are currently 123 diamonds matching this specification available across retailers.

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

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1.00 to 1.49ct F FL Natural Round

Quick answer

As of September 2026, there are 123 natural round diamonds with F colour and FL clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run £5,017 GBP to £12,352 GBP, with a median of £7,603 GBP. At least 37 retailers stock this exact specification. Half of all listings fall between £5,023 GBP and £6,721 GBP per carat. The same specification in lab grown form lists at a median of about £510 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

123

Lowest Price

£3,244 GBP

Highest Price

£17,933 GBP

Average Price

£8,151 GBP

Market Intelligence

Retailers Selling

Price Spread

29.1%

Price Range

Price per carat distribution across retailers

$7,426/ct

10th Percentile

$5,814

Median

$7,426

90th Percentile

$10,930

Score Distribution

123 diamonds scored across 4 quality tiers

Excellent

12 (9.8%)

Very Good

24 (19.5%)

Good

65 (52.8%)

Average

22 (17.9%)

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