How much does a 3.00 to 4.99ct H IF natural round diamond cost?

As of September 2026, 3.00 to 4.99ct H IF natural round diamonds typically cost £23,612 GBP to £71,311 GBP, with a median price of £43,890 GBP. There are currently 91 diamonds matching this specification available across retailers.

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3.00 to 4.99ct H IF Natural Round

Quick answer

As of September 2026, there are 91 natural round diamonds with H colour and IF clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run £23,612 GBP to £71,311 GBP, with a median of £43,890 GBP. At least 44 retailers stock this exact specification. Half of all listings fall between £8,064 GBP and £15,621 GBP per carat. The same specification in lab grown form lists at a median of about £1,543 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. Round natural stones in the index: 2,094 USD per carat, -3.8% 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

£1,680 GBP

Highest Price

£188,909 GBP

Average Price

£48,555 GBP

Market Intelligence

Retailers Selling

Price Spread

68.0%

Price Range

Price per carat distribution across retailers

$15,022/ct

10th Percentile

$9,037

Median

$15,022

90th Percentile

$24,472

Score Distribution

91 diamonds scored across 4 quality tiers

Excellent

22 (24.2%)

Very Good

23 (25.3%)

Good

26 (28.6%)

Average

20 (22.0%)

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Lab-Grown H IFSame specifications, lab-grown origin

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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