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

As of September 2026, 3.00 to 4.99ct G VS2 lab grown round diamonds typically cost $662 USD to $4,019 USD, with a median price of $1,186 USD. There are currently 3,467 diamonds matching this specification available across retailers.

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

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3.00 to 4.99ct G VS2 Lab Grown Round

Quick answer

As of September 2026, there are 3,467 lab grown round diamonds with G color and VS2 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run $662 USD to $4,019 USD, with a median of $1,186 USD. At least 45 retailers stock this exact specification. Half of all listings fall between $271 USD and $690 USD per carat. The same specification in natural form lists at a median of about $20,945 USD 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. Round lab grown stones in the index: 438 USD per carat, -14.1% 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

3,467

Lowest Price

$292 USD

Highest Price

$240,222 USD

Average Price

$2,006 USD

Market Intelligence

Retailers Selling

Price Spread

111.4%

Price Range

Price per carat distribution across retailers

$376/ct

10th Percentile

$230

Median

$376

90th Percentile

$1,108

Score Distribution

3.5K diamonds scored across 4 quality tiers

Excellent

503 (14.5%)

Very Good

552 (15.9%)

Good

1,502 (43.3%)

Average

910 (26.2%)

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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