How much does a 5.00ct+ G VVS2 lab grown cushion diamond cost?

As of October 2026, 5.00ct+ G VVS2 lab grown cushion diamonds typically cost £615 GBP to £7,670 GBP, with a median price of £1,611 GBP. There are currently 528 diamonds matching this specification available across retailers.

Where can I find the best price on a G VVS2 cushion diamond?

About 49% of these diamonds are available at multiple retailers, with an average price spread of 96%. A comparison tool like Carat Hunter lets you see all the prices side by side.

5.00ct+ G VVS2 Lab Grown Cushion

Quick answer

As of October 2026, there are 528 lab grown cushion diamonds with G colour and VVS2 clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run £615 GBP to £7,670 GBP, with a median of £1,611 GBP. At least 47 retailers stock this exact specification, and 49% of the stones appear at more than one of them, with an average price spread of 96%. Half of all listings fall between £249 GBP and £609 GBP per carat. The same specification in natural form lists at a median of about £19,533 GBP per carat. Over the last 30 days the median price moved -8.6% and the number of listings moved +30.9%.

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

528

Lowest Price

£484 GBP

Highest Price

£50,620 GBP

Average Price

£3,071 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

48.5%

Price Spread

95.7%

30-Day Price Trend

-8.6%

30-Day Supply Change

+30.9%

Volatility (30d)

0.03

Price Range

Price per carat distribution across retailers

$501/ct

10th Percentile

$264

Median

$501

90th Percentile

$1,127

Score Distribution

986 diamonds scored across 4 quality tiers

Excellent

423 (42.9%)

Very Good

185 (18.8%)

Good

145 (14.7%)

Average

233 (23.6%)

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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