How much does a 5.00ct+ G VS1 lab grown round diamond cost?

As of October 2026, 5.00ct+ G VS1 lab grown round diamonds typically cost €724 EUR to €8,487 EUR, with a median price of €1,706 EUR. There are currently 1,127 diamonds matching this specification available across retailers.

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

About 54% of these diamonds are available at multiple retailers, with an average price spread of 94%. A comparison tool like Carat Hunter lets you see all the prices side by side.

5.00ct+ G VS1 Lab Grown Round

Quick answer

As of October 2026, there are 1,127 lab grown round diamonds with G color and VS1 clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run €724 EUR to €8,487 EUR, with a median of €1,706 EUR. At least 45 retailers stock this exact specification, and 54% of the stones appear at more than one of them, with an average price spread of 94%. Half of all listings fall between €291 EUR and €727 EUR per carat. The same specification in natural form lists at a median of about €32,195 EUR per carat. Over the last 30 days the median price moved -11.2% and the number of listings moved +23.3%.

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

1,127

Lowest Price

€481 EUR

Highest Price

€91,747 EUR

Average Price

€3,943 EUR

Market Intelligence

Retailers Selling

Cross Retailer %

53.8%

Price Spread

94.1%

30-Day Price Trend

-11.2%

30-Day Supply Change

+23.3%

Volatility (30d)

0.03

Price Range

Price per carat distribution across retailers

$518/ct

10th Percentile

$243

Median

$518

90th Percentile

$1,310

Score Distribution

2.0K diamonds scored across 4 quality tiers

Excellent

928 (45.7%)

Very Good

293 (14.4%)

Good

417 (20.6%)

Average

391 (19.3%)

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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