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

As of October 2026, 1.00 to 1.49ct H IF natural round diamonds typically cost £2,475 GBP to £6,834 GBP, with a median price of £3,903 GBP. There are currently 736 diamonds matching this specification available across retailers.

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

About 36% of these diamonds are available at multiple retailers, with an average price spread of 44%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct H IF Natural Round

Quick answer

As of October 2026, there are 736 natural round diamonds with H colour and IF clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run £2,475 GBP to £6,834 GBP, with a median of £3,903 GBP. At least 64 retailers stock this exact specification, and 36% of the stones appear at more than one of them, with an average price spread of 44%. Half of all listings fall between £2,533 GBP and £3,916 GBP per carat. The same specification in lab grown form lists at a median of about £361 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

736

Lowest Price

£1,508 GBP

Highest Price

£13,544 GBP

Average Price

£4,393 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

36.2%

Price Spread

44.1%

30-Day Price Trend

+0.5%

30-Day Supply Change

+0.6%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$4,200/ct

10th Percentile

$2,835

Median

$4,200

90th Percentile

$6,893

Score Distribution

1.7K diamonds scored across 5 quality tiers

Exceptional

1 (0.1%)

Excellent

368 (21.9%)

Very Good

354 (21.0%)

Good

455 (27.0%)

Average

506 (30.0%)

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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

Save 6%

Lab-Grown H IFSame specifications, lab-grown origin

Save 90%

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