How much does a 0.75 to 0.99ct E VS1 lab grown marquise diamond cost?

As of October 2026, 0.75 to 0.99ct E VS1 lab grown marquise diamonds typically cost £128 GBP to £575 GBP, with a median price of £386 GBP. There are currently 526 diamonds matching this specification available across retailers.

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

About 44% of these diamonds are available at multiple retailers, with an average price spread of 84%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.75 to 0.99ct E VS1 Lab Grown Marquise

Quick answer

As of October 2026, there are 526 lab grown marquise diamonds with E colour and VS1 clarity in the 0.75 to 0.99ct range available across retailers worldwide. Prices typically run £128 GBP to £575 GBP, with a median of £386 GBP. At least 50 retailers stock this exact specification, and 44% of the stones appear at more than one of them, with an average price spread of 84%. Half of all listings fall between £235 GBP and £542 GBP per carat. The same specification in natural form lists at a median of about £3,140 GBP per carat. Over the last 30 days the median price moved -0.5% and the number of listings moved -7.0%.

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 lab grown stones in the index: 485 USD per carat, -3.2% 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

526

Lowest Price

£81 GBP

Highest Price

£1,307 GBP

Average Price

£363 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

43.9%

Price Spread

83.8%

30-Day Price Trend

-0.5%

30-Day Supply Change

-7.0%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$488/ct

10th Percentile

$210

Median

$488

90th Percentile

$964

Score Distribution

1.5K diamonds scored across 4 quality tiers

Excellent

414 (26.8%)

Very Good

183 (11.8%)

Good

243 (15.7%)

Average

706 (45.7%)

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

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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