How much does a 0.50 to 0.74ct E SI2 natural oval diamond cost?

As of October 2026, 0.50 to 0.74ct E SI2 natural oval diamonds typically cost HK$4,237 HKD to HK$12,815 HKD, with a median price of HK$6,747 HKD. There are currently 1,049 diamonds matching this specification available across retailers.

Where can I find the best price on a E SI2 oval diamond?

About 25% 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.

0.50 to 0.74ct E SI2 Natural Oval

Quick answer

As of October 2026, there are 1,049 natural oval diamonds with E colour and SI2 clarity in the 0.50 to 0.74ct range available across retailers worldwide. Prices typically run HK$4,237 HKD to HK$12,815 HKD, with a median of HK$6,747 HKD. At least 56 retailers stock this exact specification, and 25% of the stones appear at more than one of them, with an average price spread of 50%. Half of all listings fall between HK$9,939 HKD and HK$15,952 HKD per carat. The same specification in lab grown form lists at a median of about HK$4,706 HKD per carat. Over the last 30 days the median price moved -4.0% and the number of listings moved +6.0%.

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

1,049

Lowest Price

HK$2,171 HKD

Highest Price

HK$26,347 HKD

Average Price

HK$7,882 HKD