How much does a 5.00ct+ G VS2 lab grown cushion diamond cost?

As of October 2026, 5.00ct+ G VS2 lab grown cushion diamonds typically cost £755 GBP to £8,815 GBP, with a median price of £2,721 GBP. There are currently 234 diamonds matching this specification available across retailers.

Where can I find the best price on a G VS2 cushion diamond?

About 40% of these diamonds are available at multiple retailers, with an average price spread of 99%. A comparison tool like Carat Hunter lets you see all the prices side by side.

5.00ct+ G VS2 Lab Grown Cushion

Quick answer

As of October 2026, there are 234 lab grown cushion diamonds with G colour and VS2 clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run £755 GBP to £8,815 GBP, with a median of £2,721 GBP. At least 40 retailers stock this exact specification, and 40% of the stones appear at more than one of them, with an average price spread of 99%. Half of all listings fall between £219 GBP and £548 GBP per carat. The same specification in natural form lists at a median of about £17,484 GBP per carat. Over the last 30 days the median price moved -5.5% and the number of listings moved +16.7%.

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. Cushion lab grown stones in the index: 516 USD per carat, +6.9% 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

234

Lowest Price

£446 GBP

Highest Price

£55,770 GBP

Average Price

£3,655 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

39.7%

Price Spread

98.8%

30-Day Price Trend

-5.5%

30-Day Supply Change

+16.7%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$447/ct

10th Percentile

$224

Median

$447

90th Percentile

$1,234

Score Distribution

538 diamonds scored across 4 quality tiers

Excellent

181 (33.6%)

Very Good

74 (13.8%)

Good

83 (15.4%)

Average

200 (37.2%)

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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