How much does a 0.50 to 0.74ct I SI1 natural pear diamond cost?

As of October 2026, 0.50 to 0.74ct I SI1 natural pear diamonds typically cost £337 GBP to £961 GBP, with a median price of £548 GBP. There are currently 688 diamonds matching this specification available across retailers.

Where can I find the best price on a I SI1 pear diamond?

About 31% of these diamonds are available at multiple retailers, with an average price spread of 43%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.50 to 0.74ct I SI1 Natural Pear

Quick answer

As of October 2026, there are 688 natural pear diamonds with I colour and SI1 clarity in the 0.50 to 0.74ct range available across retailers worldwide. Prices typically run £337 GBP to £961 GBP, with a median of £548 GBP. At least 60 retailers stock this exact specification, and 31% of the stones appear at more than one of them, with an average price spread of 43%. Half of all listings fall between £837 GBP and £1,269 GBP per carat. The same specification in lab grown form lists at a median of about £563 GBP per carat. Over the last 30 days the median price moved +1.0% and the number of listings moved +2.5%.

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. Pear natural stones in the index: 2,307 USD per carat, +13.7% 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

688

Lowest Price

£214 GBP

Highest Price

£2,158 GBP

Average Price

£616 GBP