How much does a 3.00 to 4.99ct D VS2 lab grown marquise diamond cost?

As of September 2026, 3.00 to 4.99ct D VS2 lab grown marquise diamonds typically cost £671 GBP to £4,366 GBP, with a median price of £1,124 GBP. There are currently 492 diamonds matching this specification available across retailers.

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3.00 to 4.99ct D VS2 Lab Grown Marquise

Quick answer

As of September 2026, there are 492 lab grown marquise diamonds with D colour and VS2 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run £671 GBP to £4,366 GBP, with a median of £1,124 GBP. At least 38 retailers stock this exact specification. Half of all listings fall between £228 GBP and £593 GBP per carat. The same specification in natural form lists at a median of about £18,183 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

492

Lowest Price

£287 GBP

Highest Price

£7,120 GBP

Average Price

£1,812 GBP

Market Intelligence

Retailers Selling

Price Spread

107.1%

Price Range

Price per carat distribution across retailers

$460/ct

10th Percentile

$244

Median

$460

90th Percentile

$1,306

Score Distribution

492 diamonds scored across 4 quality tiers

Excellent

124 (25.2%)

Very Good

150 (30.5%)

Good

90 (18.3%)

Average

128 (26.0%)

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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