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

As of September 2026, 5.00ct+ E VS1 lab grown marquise diamonds typically cost £938 GBP to £7,108 GBP, with a median price of £1,707 GBP. There are currently 1,598 diamonds matching this specification available across retailers.

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

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5.00ct+ E VS1 Lab Grown Marquise

Quick answer

As of September 2026, there are 1,598 lab grown marquise diamonds with E colour and VS1 clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run £938 GBP to £7,108 GBP, with a median of £1,707 GBP. At least 35 retailers stock this exact specification. Half of all listings fall between £247 GBP and £772 GBP per carat. The same specification in natural form lists at a median of about £31,107 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

1,598

Lowest Price

£378 GBP

Highest Price

£742,891 GBP

Average Price

£4,287 GBP

Market Intelligence

Retailers Selling

Price Spread

113.9%

Price Range

Price per carat distribution across retailers

$621/ct

10th Percentile

$261

Median

$621

90th Percentile

$1,537

Score Distribution

1.6K diamonds scored across 4 quality tiers

Excellent

372 (23.3%)

Very Good

561 (35.1%)

Good

236 (14.8%)

Average

429 (26.8%)

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Consider Instead

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

F VS1F colour is visually identical to E to the naked eye

Save 22%

E VS2VS2 inclusions are not visible without magnification

Save 46%

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