How much does a 1.00 to 1.49ct G FL natural oval diamond cost?

As of October 2026, 1.00 to 1.49ct G FL natural oval diamonds typically cost £3,947 GBP to £6,303 GBP, with a median price of £4,301 GBP. There are currently 3 diamonds matching this specification available across retailers.

Where can I find the best price on a G FL oval diamond?

About 19% of these diamonds are available at multiple retailers, with an average price spread of 53%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct G FL Natural Oval

Quick answer

As of October 2026, there are 3 natural oval diamonds with G colour and FL clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run £3,947 GBP to £6,303 GBP, with a median of £4,301 GBP. At least 30 retailers stock this exact specification, and 19% of the stones appear at more than one of them, with an average price spread of 53%. Half of all listings fall between £4,253 GBP and £6,777 GBP per carat. The same specification in lab grown form lists at a median of about £435 GBP per carat. Over the last 30 days the median price moved +0.3% and the number of listings moved +11.7%.

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 natural stones in the index: 2,655 USD per carat, +10.2% 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

Lowest Price

£3,898 GBP

Highest Price

£8,648 GBP

Average Price

£4,911 GBP