How much does a 0.75 to 0.99ct I VVS1 natural heart diamond cost?

As of October 2026, 0.75 to 0.99ct I VVS1 natural heart diamonds typically cost £833 GBP to £2,029 GBP, with a median price of £1,239 GBP. There are currently 104 diamonds matching this specification available across retailers.

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

About 31% of these diamonds are available at multiple retailers, with an average price spread of 50%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.75 to 0.99ct I VVS1 Natural Heart

Quick answer

As of October 2026, there are 104 natural heart diamonds with I colour and VVS1 clarity in the 0.75 to 0.99ct range available across retailers worldwide. Prices typically run £833 GBP to £2,029 GBP, with a median of £1,239 GBP. At least 59 retailers stock this exact specification, and 31% of the stones appear at more than one of them, with an average price spread of 50%. Half of all listings fall between £1,281 GBP and £2,062 GBP per carat. The same specification in lab grown form lists at a median of about £368 GBP per carat. Over the last 30 days the median price moved -4.0% and the number of listings moved +7.8%.

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. Heart natural stones in the index: 2,374 USD per carat, +9.8% 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

104

Lowest Price

£602 GBP

Highest Price

£3,736 GBP

Average Price

£1,349 GBP