How much does a 0.50 to 0.74ct E SI1 natural emerald diamond cost?

As of October 2026, 0.50 to 0.74ct E SI1 natural emerald diamonds typically cost HK$4,040 HKD to HK$10,862 HKD, with a median price of HK$6,135 HKD. There are currently 848 diamonds matching this specification available across retailers.

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

About 32% of these diamonds are available at multiple retailers, with an average price spread of 38%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.50 to 0.74ct E SI1 Natural Emerald

Quick answer

As of October 2026, there are 848 natural emerald diamonds with E colour and SI1 clarity in the 0.50 to 0.74ct range available across retailers worldwide. Prices typically run HK$4,040 HKD to HK$10,862 HKD, with a median of HK$6,135 HKD. At least 59 retailers stock this exact specification, and 32% of the stones appear at more than one of them, with an average price spread of 38%. Half of all listings fall between HK$9,478 HKD and HK$13,773 HKD per carat. The same specification in lab grown form lists at a median of about HK$4,013 HKD per carat. Over the last 30 days the median price moved -0.1% and the number of listings moved +8.0%.

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. Emerald natural stones in the index: 2,278 USD per carat, +6.2% 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

848

Lowest Price

HK$2,642 HKD

Highest Price

HK$20,138 HKD

Average Price

HK$6,996 HKD