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

As of October 2026, 5.00ct+ G VS1 lab grown heart diamonds typically cost £674 GBP to £7,919 GBP, with a median price of £1,500 GBP. There are currently 304 diamonds matching this specification available across retailers.

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

About 61% of these diamonds are available at multiple retailers, with an average price spread of 82%. A comparison tool like Carat Hunter lets you see all the prices side by side.

5.00ct+ G VS1 Lab Grown Heart

Quick answer

As of October 2026, there are 304 lab grown heart diamonds with G colour and VS1 clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run £674 GBP to £7,919 GBP, with a median of £1,500 GBP. At least 35 retailers stock this exact specification, and 61% of the stones appear at more than one of them, with an average price spread of 82%. Half of all listings fall between £249 GBP and £584 GBP per carat. Over the last 30 days the median price moved -13.4% and the number of listings moved +36.4%.

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. Heart lab grown stones in the index: 421 USD per carat, -1.8% 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

304

Lowest Price

£526 GBP

Highest Price

£59,243 GBP

Average Price

£3,542 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

60.7%

Price Spread

82.5%

30-Day Price Trend

-13.4%

30-Day Supply Change

+36.4%

Volatility (30d)

0.04

Price Range

Price per carat distribution across retailers

$540/ct

10th Percentile

$244

Median

$540

90th Percentile

$1,040

Score Distribution

484 diamonds scored across 4 quality tiers

Excellent

228 (47.1%)

Very Good

73 (15.1%)

Good

56 (11.6%)

Average

127 (26.2%)

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H VS1H colour is visually identical to G to the naked eye

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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