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

As of October 2026, 1.00 to 1.49ct F FL natural heart diamonds typically cost £2,740 GBP to £4,853 GBP, with a median price of £3,269 GBP. There are currently 2 diamonds matching this specification available across retailers.

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

About 9% of these diamonds are available at multiple retailers, with an average price spread of 23%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct F FL Natural Heart

Quick answer

As of October 2026, there are 2 natural heart diamonds with F colour and FL clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run £2,740 GBP to £4,853 GBP, with a median of £3,269 GBP. At least 28 retailers stock this exact specification, and 9% of the stones appear at more than one of them, with an average price spread of 23%. Half of all listings fall between £2,793 GBP and £3,488 GBP per carat. The same specification in lab grown form lists at a median of about £410 GBP per carat. Over the last 30 days the median price moved -2.1% and the number of listings moved +0.9%.

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. Heart natural stones in the index: 2,374 USD per carat, +9.8% 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

£2,417 GBP

Highest Price

£8,657 GBP

Average Price

£3,711 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

8.8%

Price Spread

23.4%

30-Day Price Trend

-2.1%

30-Day Supply Change

+0.9%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$3,974/ct

10th Percentile

$3,376

Median

$3,974

90th Percentile

$5,484

Score Distribution

17 diamonds scored across 4 quality tiers

Excellent

2 (11.8%)

Very Good

2 (11.8%)

Good

12 (70.6%)

Average

1 (5.9%)

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Lab-Grown F FLSame specifications, lab-grown origin

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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