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

As of September 2026, 5.00ct+ D VS1 lab grown marquise diamonds typically cost £1,147 GBP to £7,883 GBP, with a median price of £2,179 GBP. There are currently 368 diamonds matching this specification available across retailers.

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

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5.00ct+ D VS1 Lab Grown Marquise

Quick answer

As of September 2026, there are 368 lab grown marquise diamonds with D colour and VS1 clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run £1,147 GBP to £7,883 GBP, with a median of £2,179 GBP. At least 35 retailers stock this exact specification. Half of all listings fall between £264 GBP and £821 GBP per carat. The same specification in natural form lists at a median of about £33,025 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 lab grown stones in the index: 500 USD per carat, -14.7% 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

368

Lowest Price

£563 GBP

Highest Price

£39,289 GBP

Average Price

£3,982 GBP

Market Intelligence

Retailers Selling

Price Spread

111.3%

Price Range

Price per carat distribution across retailers

$635/ct

10th Percentile

$265

Median

$635

90th Percentile

$1,752

Score Distribution

368 diamonds scored across 4 quality tiers

Excellent

67 (18.2%)

Very Good

115 (31.3%)

Good

72 (19.6%)

Average

114 (31.0%)

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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