How much does a 5.00ct+ F VS1 lab grown cushion diamond cost?

As of October 2026, 5.00ct+ F VS1 lab grown cushion diamonds typically cost £722 GBP to £6,005 GBP, with a median price of £1,478 GBP. There are currently 2,011 diamonds matching this specification available across retailers.

Where can I find the best price on a F VS1 cushion diamond?

About 42% of these diamonds are available at multiple retailers, with an average price spread of 90%. A comparison tool like Carat Hunter lets you see all the prices side by side.

5.00ct+ F VS1 Lab Grown Cushion

Quick answer

As of October 2026, there are 2,011 lab grown cushion diamonds with F colour and VS1 clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run £722 GBP to £6,005 GBP, with a median of £1,478 GBP. At least 45 retailers stock this exact specification, and 42% of the stones appear at more than one of them, with an average price spread of 90%. Half of all listings fall between £244 GBP and £579 GBP per carat. The same specification in natural form lists at a median of about £18,259 GBP per carat. Over the last 30 days the median price moved -7.7% and the number of listings moved +26.4%.

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. 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

2,011

Lowest Price

£557 GBP

Highest Price

£45,723 GBP

Average Price

£2,626 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

42.4%

Price Spread

90.3%

30-Day Price Trend

-7.7%

30-Day Supply Change

+26.4%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$495/ct

10th Percentile

$251

Median

$495

90th Percentile

$1,135

Score Distribution

3.7K diamonds scored across 4 quality tiers

Excellent

1,551 (42.2%)

Very Good

679 (18.5%)

Good

735 (20.0%)

Average

714 (19.4%)

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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