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

As of October 2026, 1.00 to 1.49ct H FL natural round diamonds typically cost £3,399 GBP to £12,911 GBP, with a median price of £4,376 GBP. There are currently 31 diamonds matching this specification available across retailers.

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

About 22% of these diamonds are available at multiple retailers, with an average price spread of 30%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct H FL Natural Round

Quick answer

As of October 2026, there are 31 natural round diamonds with H colour and FL clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run £3,399 GBP to £12,911 GBP, with a median of £4,376 GBP. At least 19 retailers stock this exact specification, and 22% of the stones appear at more than one of them, with an average price spread of 30%. Half of all listings fall between £3,401 GBP and £4,556 GBP per carat. Over the last 30 days the median price moved +0.5% and the number of listings moved +0.6%.

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

Lowest Price

£2,762 GBP

Highest Price

£13,854 GBP

Average Price

£5,552 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

22.5%

Price Spread

29.9%

30-Day Price Trend

+0.5%

30-Day Supply Change

+0.6%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$5,187/ct

10th Percentile

$4,141

Median

$5,187

90th Percentile

$8,226

Score Distribution

117 diamonds scored across 3 quality tiers

Very Good

29 (24.8%)

Good

65 (55.6%)

Average

23 (19.7%)

Find Your Diamond

Search 31 H FL round diamonds and compare prices.

Search Diamonds

Consider Instead

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

H IFIF inclusions are not visible without magnification

Save 19%

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