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

As of October 2026, 5.00ct+ G VS1 natural marquise diamonds typically cost $224,846 CAD to $355,229 CAD, with a median price of $299,002 CAD. There are currently 7 diamonds matching this specification available across retailers.

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

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5.00ct+ G VS1 Natural Marquise

Quick answer

As of October 2026, there are 7 natural marquise diamonds with G color and VS1 clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run $224,846 CAD to $355,229 CAD, with a median of $299,002 CAD. The same specification in lab grown form lists at a median of about $516 CAD per carat.

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. Marquise natural stones in the index: 2,268 USD per carat, +10.8% 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

Lowest Price

$149,241 CAD

Highest Price

$545,287 CAD

Average Price

$293,466 CAD

Score Distribution

7 diamonds scored across 2 quality tiers

Very Good

3 (42.9%)

Good

4 (57.1%)

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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