How much does a 3.00 to 4.99ct I VVS2 lab grown radiant diamond cost?

As of October 2026, 3.00 to 4.99ct I VVS2 lab grown radiant diamonds typically cost £394 GBP to £1,785 GBP, with a median price of £664 GBP. There are currently 15 diamonds matching this specification available across retailers.

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

About 18% of these diamonds are available at multiple retailers, with an average price spread of 115%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct I VVS2 Lab Grown Radiant

Quick answer

As of October 2026, there are 15 lab grown radiant diamonds with I colour and VVS2 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run £394 GBP to £1,785 GBP, with a median of £664 GBP. At least 37 retailers stock this exact specification, and 18% of the stones appear at more than one of them, with an average price spread of 115%. Half of all listings fall between £209 GBP and £580 GBP per carat. The same specification in natural form lists at a median of about £10,565 GBP per carat. Over the last 30 days the median price moved +11.6% and the number of listings moved +0.8%.

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. 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

£325 GBP

Highest Price

£3,575 GBP

Average Price

£876 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

17.6%

Price Spread

115.4%

30-Day Price Trend

+11.6%

30-Day Supply Change

+0.8%

Volatility (30d)

0.03

Price Range

Price per carat distribution across retailers

$428/ct

10th Percentile

$169

Median

$428

90th Percentile

$1,191

Score Distribution

26 diamonds scored across 4 quality tiers

Excellent

7 (26.9%)

Very Good

4 (15.4%)

Good

8 (30.8%)

Average

7 (26.9%)

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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