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

As of October 2026, 1.00 to 1.49ct D FL natural round diamonds typically cost £7,842 GBP to £13,953 GBP, with a median price of £9,897 GBP. There are currently 456 diamonds matching this specification available across retailers.

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

About 36% of these diamonds are available at multiple retailers, with an average price spread of 21%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct D FL Natural Round

Quick answer

As of October 2026, there are 456 natural round diamonds with D colour and FL clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run £7,842 GBP to £13,953 GBP, with a median of £9,897 GBP. At least 54 retailers stock this exact specification, and 36% of the stones appear at more than one of them, with an average price spread of 21%. Half of all listings fall between £8,268 GBP and £10,178 GBP per carat. The same specification in lab grown form lists at a median of about £491 GBP per carat. Over the last 30 days the median price moved -2.1% and the number of listings moved +15.0%.

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. Round natural stones in the index: 2,248 USD per carat, +7.6% 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

456

Lowest Price

£5,450 GBP

Highest Price

£25,564 GBP

Average Price

£10,546 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

35.7%

Price Spread

20.8%

30-Day Price Trend

-2.1%

30-Day Supply Change

+15.0%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$12,229/ct

10th Percentile

$9,844

Median

$12,229

90th Percentile

$16,451

Score Distribution

1.1K diamonds scored across 5 quality tiers

Exceptional

9 (0.8%)

Excellent

278 (25.5%)

Very Good

332 (30.5%)

Good

329 (30.2%)

Average

142 (13.0%)

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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