How much does a 1.50 to 1.99ct F VS1 lab grown oval diamond cost?

As of October 2026, 1.50 to 1.99ct F VS1 lab grown oval diamonds typically cost £181 GBP to £1,133 GBP, with a median price of £512 GBP. There are currently 3,665 diamonds matching this specification available across retailers.

Where can I find the best price on a F VS1 oval diamond?

About 36% of these diamonds are available at multiple retailers, with an average price spread of 78%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.50 to 1.99ct F VS1 Lab Grown Oval

Quick answer

As of October 2026, there are 3,665 lab grown oval diamonds with F colour and VS1 clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run £181 GBP to £1,133 GBP, with a median of £512 GBP. At least 55 retailers stock this exact specification, and 36% of the stones appear at more than one of them, with an average price spread of 78%. Half of all listings fall between £217 GBP and £504 GBP per carat. The same specification in natural form lists at a median of about £6,364 GBP per carat. Over the last 30 days the median price moved +20.7% and the number of listings moved -12.1%.

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. Oval lab grown stones in the index: 453 USD per carat, -7.4% 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

3,665

Lowest Price

£141 GBP

Highest Price

£2,525 GBP

Average Price

£610 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

36.1%

Price Spread

78.1%

30-Day Price Trend

+20.7%

30-Day Supply Change

-12.1%

Volatility (30d)

0.09

Price Range

Price per carat distribution across retailers

$487/ct

10th Percentile

$182

Median

$487

90th Percentile

$891

Score Distribution

7.7K diamonds scored across 4 quality tiers

Excellent

2,594 (33.9%)

Very Good

1,328 (17.3%)

Good

1,944 (25.4%)

Average

1,793 (23.4%)

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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