How much does a 5.00ct+ G VS2 natural marquise diamond cost?

As of September 2026, 5.00ct+ G VS2 natural marquise diamonds typically cost £77,800 GBP to £114,497 GBP, with a median price of £108,369 GBP. There are currently 6 diamonds matching this specification available across retailers.

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

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5.00ct+ G VS2 Natural Marquise

Quick answer

As of September 2026, there are 6 natural marquise diamonds with G colour and VS2 clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run £77,800 GBP to £114,497 GBP, with a median of £108,369 GBP. At least 11 retailers stock this exact specification. Half of all listings fall between £15,503 GBP and £21,744 GBP per carat. The same specification in lab grown form lists at a median of about £377 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. Marquise natural stones in the index: 2,114 USD per carat, -8.8% 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

Lowest Price

£74,982 GBP

Highest Price

£117,617 GBP

Average Price

£100,222 GBP

Market Intelligence

Retailers Selling

Price Spread

32.3%

Price Range

Price per carat distribution across retailers

$26,029/ct

10th Percentile

$20,167

Median

$26,029

90th Percentile

$36,715

Score Distribution

6 diamonds scored across 4 quality tiers

Excellent

1 (16.7%)

Very Good

2 (33.3%)

Good

1 (16.7%)

Average

2 (33.3%)

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Consider Instead

Save money without compromising on what matters. These alternatives are visually similar but cost less.

H VS2H colour is visually identical to G to the naked eye

Save 30%

Lab-Grown G VS2Same specifications, lab-grown origin

Save 98%

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