How much does a 3.00 to 4.99ct D VVS1 lab grown cushion diamond cost?

As of October 2026, 3.00 to 4.99ct D VVS1 lab grown cushion diamonds typically cost £772 GBP to £5,186 GBP, with a median price of £2,255 GBP. There are currently 2,806 diamonds matching this specification available across retailers.

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

About 39% of these diamonds are available at multiple retailers, with an average price spread of 91%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct D VVS1 Lab Grown Cushion

Quick answer

As of October 2026, there are 2,806 lab grown cushion diamonds with D colour and VVS1 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run £772 GBP to £5,186 GBP, with a median of £2,255 GBP. At least 55 retailers stock this exact specification, and 39% of the stones appear at more than one of them, with an average price spread of 91%. Half of all listings fall between £381 GBP and £981 GBP per carat. The same specification in natural form lists at a median of about £16,026 GBP per carat. Over the last 30 days the median price moved +9.4% and the number of listings moved -2.9%.

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

2,806

Lowest Price

£502 GBP

Highest Price

£13,084 GBP

Average Price

£2,713 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

38.9%

Price Spread

91.0%

30-Day Price Trend

+9.4%

30-Day Supply Change

-2.9%

Volatility (30d)

0.05

Price Range

Price per carat distribution across retailers

$879/ct

10th Percentile

$360

Median

$879

90th Percentile

$1,861

Score Distribution

7.4K diamonds scored across 5 quality tiers

Exceptional

11 (0.1%)

Excellent

2,162 (29.2%)

Very Good

1,206 (16.3%)

Good

2,241 (30.3%)

Average

1,783 (24.1%)

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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