How much does a 0.50 to 0.74ct F VS2 lab grown marquise diamond cost?

As of October 2026, 0.50 to 0.74ct F VS2 lab grown marquise diamonds typically cost £92 GBP to £468 GBP, with a median price of £245 GBP. There are currently 110 diamonds matching this specification available across retailers.

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

About 53% of these diamonds are available at multiple retailers, with an average price spread of 91%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.50 to 0.74ct F VS2 Lab Grown Marquise

Quick answer

As of October 2026, there are 110 lab grown marquise diamonds with F colour and VS2 clarity in the 0.50 to 0.74ct range available across retailers worldwide. Prices typically run £92 GBP to £468 GBP, with a median of £245 GBP. At least 34 retailers stock this exact specification, and 53% of the stones appear at more than one of them, with an average price spread of 91%. Half of all listings fall between £244 GBP and £673 GBP per carat. The same specification in natural form lists at a median of about £1,530 GBP per carat. Over the last 30 days the median price moved +9.8% and the number of listings moved +12.5%.

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

110

Lowest Price

£71 GBP

Highest Price

£1,435 GBP

Average Price

£262 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

52.9%

Price Spread

91.3%

30-Day Price Trend

+9.8%

30-Day Supply Change

+12.5%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$625/ct

10th Percentile

$255

Median

$625

90th Percentile

$1,387

Score Distribution

179 diamonds scored across 4 quality tiers

Excellent

42 (23.5%)

Very Good

32 (17.9%)

Good

58 (32.4%)

Average

47 (26.3%)

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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