How much does a 3.00 to 4.99ct G VS1 lab grown oval diamond cost?

As of September 2026, 3.00 to 4.99ct G VS1 lab grown oval diamonds typically cost £441 GBP to £2,783 GBP, with a median price of £772 GBP. There are currently 10,449 diamonds matching this specification available across retailers.

Where can I find the best price on a G VS1 oval diamond?

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3.00 to 4.99ct G VS1 Lab Grown Oval

Quick answer

As of September 2026, there are 10,449 lab grown oval diamonds with G colour and VS1 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run £441 GBP to £2,783 GBP, with a median of £772 GBP. At least 49 retailers stock this exact specification. Half of all listings fall between £200 GBP and £482 GBP per carat. The same specification in natural form lists at a median of about £15,540 GBP per carat.

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

Caratlytics Diamond Price Index, August 2026: natural diamonds at 2,184 USD per carat and lab-grown at 464 USD per carat, a natural to lab ratio of 4.7 to 1. Oval lab grown stones in the index: 487 USD per carat, -11.2% month on month. See the full index release

Figures come from live listings across more than 100 retailers and refresh daily. The index is a monthly release.

Last updated: September 2026

Available

10,449

Lowest Price

£218 GBP

Highest Price

£150,019 GBP

Average Price

£1,267 GBP

Market Intelligence

Retailers Selling

Price Spread

100.0%

Price Range

Price per carat distribution across retailers

$380/ct

10th Percentile

$231

Median

$380

90th Percentile

$1,267

Score Distribution

10.4K diamonds scored across 4 quality tiers

Excellent

2,443 (23.4%)

Very Good

2,848 (27.3%)

Good

2,518 (24.1%)

Average

2,640 (25.3%)

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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