How much does a 3.00 to 4.99ct G VS2 lab grown round diamond cost?

As of October 2026, 3.00 to 4.99ct G VS2 lab grown round diamonds typically cost £416 GBP to £2,477 GBP, with a median price of £1,114 GBP. There are currently 1,121 diamonds matching this specification available across retailers.

Where can I find the best price on a G VS2 round diamond?

About 31% 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 G VS2 Lab Grown Round

Quick answer

As of October 2026, there are 1,121 lab grown round diamonds with G colour and VS2 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run £416 GBP to £2,477 GBP, with a median of £1,114 GBP. At least 53 retailers stock this exact specification, and 31% of the stones appear at more than one of them, with an average price spread of 87%. Half of all listings fall between £187 GBP and £462 GBP per carat. The same specification in natural form lists at a median of about £15,922 GBP per carat. Over the last 30 days the median price moved +8.1% and the number of listings moved +12.5%.

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

1,121

Lowest Price

£240 GBP

Highest Price

£6,051 GBP

Average Price

£1,304 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

30.7%

Price Spread

86.5%

30-Day Price Trend

+8.1%

30-Day Supply Change

+12.5%

Volatility (30d)

0.04

Price Range

Price per carat distribution across retailers

$424/ct

10th Percentile

$154

Median

$424

90th Percentile

$870

Score Distribution

3.5K diamonds scored across 4 quality tiers

Excellent

692 (19.6%)

Very Good

335 (9.5%)

Good

539 (15.3%)

Average

1,961 (55.6%)

Find Your Diamond

Search 1,121 G VS2 round diamonds and compare prices.

Search Diamonds

Consider Instead

Save money without compromising on what matters. These alternatives are visually similar but cost less.

H VS2H colour is visually identical to G to the naked eye

Save 8%

G SI1SI1 inclusions are not visible without magnification

Save 5%

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