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

As of September 2026, 1.00 to 1.49ct D FL natural heart diamonds typically cost £5,488 GBP to £7,571 GBP, with a median price of £6,070 GBP. There are currently 33 diamonds matching this specification available across retailers.

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

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1.00 to 1.49ct D FL Natural Heart

Quick answer

As of September 2026, there are 33 natural heart diamonds with D colour and FL clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run £5,488 GBP to £7,571 GBP, with a median of £6,070 GBP. At least 26 retailers stock this exact specification. Half of all listings fall between £5,758 GBP and £7,498 GBP per carat. The same specification in lab grown form lists at a median of about £577 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. Heart natural stones in the index: 2,261 USD per carat, +1.7% 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

£1,062 GBP

Highest Price

£11,782 GBP

Average Price

£6,169 GBP

Market Intelligence

Retailers Selling

Price Spread

27.1%

Price Range

Price per carat distribution across retailers

$8,679/ct

10th Percentile

$6,812

Median

$8,679

90th Percentile

$11,118

Score Distribution

33 diamonds scored across 4 quality tiers

Excellent

2 (6.1%)

Very Good

11 (33.3%)

Good

9 (27.3%)

Average

11 (33.3%)

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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