How much does a 3.00 to 4.99ct G VVS2 lab grown cushion diamond cost?

As of October 2026, 3.00 to 4.99ct G VVS2 lab grown cushion diamonds typically cost £370 GBP to £3,697 GBP, with a median price of £885 GBP. There are currently 1,466 diamonds matching this specification available across retailers.

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

About 46% 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.

3.00 to 4.99ct G VVS2 Lab Grown Cushion

Quick answer

As of October 2026, there are 1,466 lab grown cushion diamonds with G colour and VVS2 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run £370 GBP to £3,697 GBP, with a median of £885 GBP. At least 60 retailers stock this exact specification, and 46% of the stones appear at more than one of them, with an average price spread of 96%. Half of all listings fall between £232 GBP and £638 GBP per carat. The same specification in natural form lists at a median of about £14,254 GBP per carat. Over the last 30 days the median price moved +24.5% and the number of listings moved -6.9%.

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

1,466

Lowest Price

£311 GBP

Highest Price

£8,364 GBP

Average Price

£1,479 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

45.6%

Price Spread

96.5%

30-Day Price Trend

+24.5%

30-Day Supply Change

-6.9%

Volatility (30d)

0.09

Price Range

Price per carat distribution across retailers

$561/ct

10th Percentile

$222

Median

$561

90th Percentile

$1,258

Score Distribution

3.3K diamonds scored across 4 quality tiers

Excellent

1,258 (38.4%)

Very Good

589 (18.0%)

Good

587 (17.9%)

Average

840 (25.7%)

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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