How much does a 1.00 to 1.49ct I VVS1 natural marquise diamond cost?

As of November 2026, 1.00 to 1.49ct I VVS1 natural marquise diamonds typically cost £2,329 GBP to £10,309 GBP, with a median price of £4,026 GBP. There are currently 45 diamonds matching this specification available across retailers.

Where can I find the best price on a I VVS1 marquise diamond?

About 36% of these diamonds are available at multiple retailers, with an average price spread of 44%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct I VVS1 Natural Marquise

Quick answer

As of November 2026, there are 45 natural marquise diamonds with I colour and VVS1 clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run £2,329 GBP to £10,309 GBP, with a median of £4,026 GBP. At least 58 retailers stock this exact specification, and 36% of the stones appear at more than one of them, with an average price spread of 44%. Half of all listings fall between £2,981 GBP and £4,575 GBP per carat. The same specification in lab grown form lists at a median of about £583 GBP per carat. Over the last 30 days the median price moved +1.0% and the number of listings moved +16.3%.

Three of the best scored stones at this specification right now:

Caratlytics Diamond Price Index, October 2026: natural diamonds at 2,202 USD per carat and lab-grown at 462 USD per carat, a natural to lab ratio of 4.8 to 1. Marquise natural stones in the index: 2,177 USD per carat, -4.2% 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: November 2026

Available

Lowest Price

£1,415 GBP

Highest Price

£20,162 GBP

Average Price

£5,067 GBP