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

As of October 2026, 1.00 to 1.49ct D FL natural radiant diamonds typically cost £4,528 GBP to £11,499 GBP, with a median price of £6,879 GBP. There are currently 4 diamonds matching this specification available across retailers.

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

About 33% of these diamonds are available at multiple retailers, with an average price spread of 27%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct D FL Natural Radiant

Quick answer

As of October 2026, there are 4 natural radiant diamonds with D colour and FL clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run £4,528 GBP to £11,499 GBP, with a median of £6,879 GBP. At least 34 retailers stock this exact specification, and 33% of the stones appear at more than one of them, with an average price spread of 27%. Half of all listings fall between £4,235 GBP and £5,573 GBP per carat. The same specification in lab grown form lists at a median of about £557 GBP per carat. Over the last 30 days the median price moved +2.9% and the number of listings moved +28.9%.

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. Radiant natural stones in the index: 3,091 USD per carat, +13.2% 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

£4,286 GBP

Highest Price

£14,343 GBP

Average Price

£7,672 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

33.3%

Price Spread

27.4%

30-Day Price Trend

+2.9%

30-Day Supply Change

+28.9%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$6,507/ct

10th Percentile

$5,227

Median

$6,507

90th Percentile

$10,360

Score Distribution

9 diamonds scored across 4 quality tiers

Excellent

4 (44.4%)

Very Good

2 (22.2%)

Good

1 (11.1%)

Average

2 (22.2%)

Find Your Diamond

Search 4 D FL radiant diamonds and compare prices.

Search Diamonds

Consider Instead

Save money without compromising on what matters. These alternatives are visually similar but cost less.

Lab-Grown D FLSame specifications, lab-grown origin

Save 88%

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