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

As of September 2026, 1.00 to 1.49ct H IF natural round diamonds typically cost £2,524 GBP to £6,126 GBP, with a median price of £3,556 GBP. There are currently 1,792 diamonds matching this specification available across retailers.

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

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1.00 to 1.49ct H IF Natural Round

Quick answer

As of September 2026, there are 1,792 natural round diamonds with H colour and IF clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run £2,524 GBP to £6,126 GBP, with a median of £3,556 GBP. At least 58 retailers stock this exact specification. Half of all listings fall between £2,664 GBP and £3,716 GBP per carat. The same specification in lab grown form lists at a median of about £2,960 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

1,792

Lowest Price

£1,554 GBP

Highest Price

£13,370 GBP

Average Price

£3,995 GBP

Market Intelligence

Retailers Selling

Price Spread

33.3%

Price Range

Price per carat distribution across retailers

$4,017/ct

10th Percentile

$2,913

Median

$4,017

90th Percentile

$5,664

Score Distribution

1.8K diamonds scored across 5 quality tiers

Exceptional

1 (0.1%)

Excellent

446 (24.9%)

Very Good

549 (30.6%)

Good

480 (26.8%)

Average

316 (17.6%)

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Consider Instead

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

H VVS1VVS1 inclusions are not visible without magnification

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Lab-Grown H IFSame specifications, lab-grown origin

Save 14%

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