How much does a 5.00ct+ G VVS1 lab grown cushion diamond cost?

As of October 2026, 5.00ct+ G VVS1 lab grown cushion diamonds typically cost £1,011 GBP to £15,853 GBP, with a median price of £7,896 GBP. There are currently 26 diamonds matching this specification available across retailers.

Where can I find the best price on a G VVS1 cushion diamond?

About 20% of these diamonds are available at multiple retailers, with an average price spread of 85%. A comparison tool like Carat Hunter lets you see all the prices side by side.

5.00ct+ G VVS1 Lab Grown Cushion

Quick answer

As of October 2026, there are 26 lab grown cushion diamonds with G colour and VVS1 clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run £1,011 GBP to £15,853 GBP, with a median of £7,896 GBP. At least 23 retailers stock this exact specification, and 20% of the stones appear at more than one of them, with an average price spread of 85%. Half of all listings fall between £564 GBP and £1,162 GBP per carat. The same specification in natural form lists at a median of about £25,532 GBP per carat. Over the last 30 days the median price moved -8.3% and the number of listings moved +32.2%.

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

Lowest Price

£723 GBP

Highest Price

£17,478 GBP

Average Price

£7,830 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

19.6%

Price Spread

84.8%

30-Day Price Trend

-8.3%

30-Day Supply Change

+32.2%

Volatility (30d)

0.03

Price Range

Price per carat distribution across retailers

$940/ct

10th Percentile

$532

Median

$940

90th Percentile

$1,969

Score Distribution

144 diamonds scored across 4 quality tiers

Excellent

15 (10.4%)

Very Good

7 (4.9%)

Good

16 (11.1%)

Average

106 (73.6%)

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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