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

As of October 2026, 1.00 to 1.49ct D FL natural heart diamonds typically cost £4,821 GBP to £7,364 GBP, with a median price of £5,660 GBP. There are currently 9 diamonds matching this specification available across retailers.

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

About 28% of these diamonds are available at multiple retailers, with an average price spread of 25%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct D FL Natural Heart

Quick answer

As of October 2026, there are 9 natural heart diamonds with D colour and FL clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run £4,821 GBP to £7,364 GBP, with a median of £5,660 GBP. At least 29 retailers stock this exact specification, and 28% of the stones appear at more than one of them, with an average price spread of 25%. Half of all listings fall between £5,690 GBP and £7,314 GBP per carat. The same specification in lab grown form lists at a median of about £470 GBP per carat. Over the last 30 days the median price moved -1.2% and the number of listings moved +6.3%.

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

£2,653 GBP

Highest Price

£12,733 GBP

Average Price

£6,063 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

27.8%

Price Spread

24.9%

30-Day Price Trend

-1.2%

30-Day Supply Change

+6.3%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$8,672/ct

10th Percentile

$5,090

Median

$8,672

90th Percentile

$11,592

Score Distribution

33 diamonds scored across 5 quality tiers

Exceptional

1 (3.0%)

Excellent

6 (18.2%)

Very Good

5 (15.2%)

Good

7 (21.2%)

Average

14 (42.4%)

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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