How much does a 3.00 to 4.99ct G VS1 lab grown heart diamond cost?

As of September 2026, 3.00 to 4.99ct G VS1 lab grown heart diamonds typically cost £429 GBP to £3,017 GBP, with a median price of £872 GBP. There are currently 426 diamonds matching this specification available across retailers.

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

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3.00 to 4.99ct G VS1 Lab Grown Heart

Quick answer

As of September 2026, there are 426 lab grown heart diamonds with G colour and VS1 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run £429 GBP to £3,017 GBP, with a median of £872 GBP. At least 42 retailers stock this exact specification. Half of all listings fall between £238 GBP and £594 GBP per carat. The same specification in natural form lists at a median of about £10,902 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 lab grown stones in the index: 440 USD per carat, -9.4% 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

426

Lowest Price

£250 GBP

Highest Price

£23,660 GBP

Average Price

£1,300 GBP

Market Intelligence

Retailers Selling

Price Spread

102.4%

Price Range

Price per carat distribution across retailers

$470/ct

10th Percentile

$258

Median

$470

90th Percentile

$1,446

Score Distribution

426 diamonds scored across 4 quality tiers

Excellent

119 (27.9%)

Very Good

123 (28.9%)

Good

64 (15.0%)

Average

120 (28.2%)

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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