How much does a 3.00 to 4.99ct E SI1 natural oval diamond cost?

As of October 2026, 3.00 to 4.99ct E SI1 natural oval diamonds typically cost $66,808 NZD to $159,604 NZD, with a median price of $101,227 NZD. There are currently 111 diamonds matching this specification available across retailers.

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

About 30% of these diamonds are available at multiple retailers, with an average price spread of 26%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct E SI1 Natural Oval

Quick answer

As of October 2026, there are 111 natural oval diamonds with E colour and SI1 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run $66,808 NZD to $159,604 NZD, with a median of $101,227 NZD. At least 58 retailers stock this exact specification, and 30% of the stones appear at more than one of them, with an average price spread of 26%. Half of all listings fall between $25,770 NZD and $33,406 NZD per carat. The same specification in lab grown form lists at a median of about $665 NZD per carat. Over the last 30 days the median price moved +0.6% and the number of listings moved +7.5%.

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. 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

111

Lowest Price

$43,688 NZD

Highest Price

$309,928 NZD

Average Price

$109,986 NZD