How much does a 3.00 to 4.99ct J VVS2 lab grown round diamond cost?

As of October 2026, 3.00 to 4.99ct J VVS2 lab grown round diamonds typically cost £517 GBP to £2,431 GBP, with a median price of £830 GBP. There are currently 56 diamonds matching this specification available across retailers.

Where can I find the best price on a J VVS2 round diamond?

About 27% of these diamonds are available at multiple retailers, with an average price spread of 87%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct J VVS2 Lab Grown Round

Quick answer

As of October 2026, there are 56 lab grown round diamonds with J colour and VVS2 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run £517 GBP to £2,431 GBP, with a median of £830 GBP. At least 24 retailers stock this exact specification, and 27% of the stones appear at more than one of them, with an average price spread of 87%. Half of all listings fall between £196 GBP and £452 GBP per carat. The same specification in natural form lists at a median of about £8,179 GBP per carat. Over the last 30 days the median price moved +1.7% and the number of listings moved +0.9%.

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. Round lab grown stones in the index: 414 USD per carat, -5.0% 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

£327 GBP

Highest Price

£3,708 GBP

Average Price

£1,125 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

27.1%

Price Spread

86.8%

30-Day Price Trend

+1.7%

30-Day Supply Change

+0.9%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$392/ct

10th Percentile

$219

Median

$392

90th Percentile

$755

Score Distribution

121 diamonds scored across 4 quality tiers

Excellent

31 (25.6%)

Very Good

20 (16.5%)

Good

52 (43.0%)

Average

18 (14.9%)

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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