How much does a 3.00 to 4.99ct I VS1 natural heart diamond cost?

As of September 2026, 3.00 to 4.99ct I VS1 natural heart diamonds typically cost £14,873 GBP to £37,694 GBP, with a median price of £24,717 GBP. There are currently 64 diamonds matching this specification available across retailers.

Where can I find the best price on a I VS1 heart diamond?

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3.00 to 4.99ct I VS1 Natural Heart

Quick answer

As of September 2026, there are 64 natural heart diamonds with I colour and VS1 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run £14,873 GBP to £37,694 GBP, with a median of £24,717 GBP. At least 33 retailers stock this exact specification. Half of all listings fall between £6,166 GBP and £10,097 GBP per carat. The same specification in lab grown form lists at a median of about £279 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

Lowest Price

£12,648 GBP

Highest Price

£68,133 GBP

Average Price

£26,259 GBP

Market Intelligence

Retailers Selling

Price Spread

48.2%

Price Range

Price per carat distribution across retailers

$10,993/ct

10th Percentile

$6,938

Median

$10,993

90th Percentile

$15,364

Score Distribution

64 diamonds scored across 4 quality tiers

Excellent

25 (39.1%)

Very Good

15 (23.4%)

Good

10 (15.6%)

Average

14 (21.9%)

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Consider Instead

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

J VS1J colour is visually identical to I to the naked eye

Save 52%

Lab-Grown I VS1Same specifications, lab-grown origin

Save 96%

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