How much does a 3.00 to 4.99ct J VVS1 lab grown radiant diamond cost?

As of October 2026, 3.00 to 4.99ct J VVS1 lab grown radiant diamonds typically cost £2,940 GBP to £7,359 GBP, with a median price of £5,701 GBP. There are currently 1 diamonds matching this specification available across retailers.

Where can I find the best price on a J VVS1 radiant diamond?

About 33% of these diamonds are available at multiple retailers, with an average price spread of 35%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct J VVS1 Lab Grown Radiant

Quick answer

As of October 2026, there are 1 lab grown radiant diamonds with J colour and VVS1 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run £2,940 GBP to £7,359 GBP, with a median of £5,701 GBP. At least 12 retailers stock this exact specification, and 33% of the stones appear at more than one of them, with an average price spread of 35%. Half of all listings fall between £764 GBP and £1,060 GBP per carat. The same specification in natural form lists at a median of about £7,033 GBP per carat.

Three of the best scored stones at this specification right now:

3.40ct Radiant J VVS1, GIA, grade B+, from £2,250 GBP

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. Radiant lab grown stones in the index: 474 USD per carat, -2.1% 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

£2,250 GBP

Highest Price

£15,454 GBP

Average Price

£5,241 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

33.3%

Price Spread

35.4%

Price Range

Price per carat distribution across retailers

$1,113/ct

10th Percentile

$946

Median

$1,113

90th Percentile

$1,548

Score Distribution

3 diamonds scored across 2 quality tiers

Very Good

1 (33.3%)

Good

2 (66.7%)

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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