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

As of November 2026, 5.00ct+ G VS1 lab grown marquise diamonds typically cost €703 EUR to €8,516 EUR, with a median price of €1,741 EUR. There are currently 504 diamonds matching this specification available across retailers.

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

About 50% of these diamonds are available at multiple retailers, with an average price spread of 99%. A comparison tool like Carat Hunter lets you see all the prices side by side.

5.00ct+ G VS1 Lab Grown Marquise

Quick answer

As of November 2026, there are 504 lab grown marquise diamonds with G colour and VS1 clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run €703 EUR to €8,516 EUR, with a median of €1,741 EUR. At least 44 retailers stock this exact specification, and 50% of the stones appear at more than one of them, with an average price spread of 99%. Half of all listings fall between €234 EUR and €553 EUR per carat. The same specification in natural form lists at a median of about €24,047 EUR per carat. Over the last 30 days the median price moved -11.8% and the number of listings moved +26.5%.

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

Caratlytics Diamond Price Index, October 2026: natural diamonds at 2,202 USD per carat and lab-grown at 462 USD per carat, a natural to lab ratio of 4.8 to 1. Marquise lab grown stones in the index: 505 USD per carat, +1.6% 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: November 2026

Available

504

Lowest Price

€510 EUR

Highest Price

€35,531 EUR

Average Price

€3,272 EUR

Market Intelligence

Retailers Selling

Cross Retailer %

50.5%

Price Spread

98.5%

30-Day Price Trend

-11.8%

30-Day Supply Change

+26.5%

Volatility (30d)

0.04

Price Range

Price per carat distribution across retailers

$362/ct

10th Percentile

$186

Median

$362

90th Percentile

$967

Score Distribution

972 diamonds scored across 4 quality tiers

Excellent

348 (35.8%)

Very Good

189 (19.4%)

Good

165 (17.0%)

Average

270 (27.8%)

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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