How much does a 5.00ct+ G VS1 lab grown heart diamond cost?

As of September 2026, 5.00ct+ G VS1 lab grown heart diamonds typically cost £885 GBP to £8,265 GBP, with a median price of £1,846 GBP. There are currently 354 diamonds matching this specification available across retailers.

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

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5.00ct+ G VS1 Lab Grown Heart

Quick answer

As of September 2026, there are 354 lab grown heart diamonds with G colour and VS1 clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run £885 GBP to £8,265 GBP, with a median of £1,846 GBP. At least 26 retailers stock this exact specification. Half of all listings fall between £325 GBP and £734 GBP per carat. The same specification in natural form lists at a median of about £22,319 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

354

Lowest Price

£444 GBP

Highest Price

£688,081 GBP

Average Price

£5,595 GBP

Market Intelligence

Retailers Selling

Price Spread

75.8%

Price Range

Price per carat distribution across retailers

$728/ct

10th Percentile

$313

Median

$728

90th Percentile

$1,501

Score Distribution

354 diamonds scored across 4 quality tiers

Excellent

110 (31.1%)

Very Good

125 (35.3%)

Good

72 (20.3%)

Average

47 (13.3%)

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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