How much does a 1.00 to 1.49ct D IF natural heart diamond cost?

As of September 2026, 1.00 to 1.49ct D IF natural heart diamonds typically cost £3,242 GBP to £9,140 GBP, with a median price of £5,302 GBP. There are currently 145 diamonds matching this specification available across retailers.

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1.00 to 1.49ct D IF Natural Heart

Quick answer

As of September 2026, there are 145 natural heart diamonds with D colour and IF clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run £3,242 GBP to £9,140 GBP, with a median of £5,302 GBP. At least 48 retailers stock this exact specification. Half of all listings fall between £3,488 GBP and £5,515 GBP per carat. The same specification in lab grown form lists at a median of about £499 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. Heart natural stones in the index: 2,261 USD per carat, +1.7% 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

145

Lowest Price

£1,688 GBP

Highest Price

£15,485 GBP

Average Price

£5,773 GBP

Market Intelligence

Retailers Selling

Price Spread

47.0%

Price Range

Price per carat distribution across retailers

$5,831/ct

10th Percentile

$3,763

Median

$5,831

90th Percentile

$9,356

Score Distribution

145 diamonds scored across 4 quality tiers

Excellent

33 (22.8%)

Very Good

43 (29.7%)

Good

31 (21.4%)

Average

38 (26.2%)

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Consider Instead

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D VVS1VVS1 inclusions are not visible without magnification

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Lab-Grown D 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