How much does a 1.50 to 1.99ct I SI2 natural emerald diamond cost?

As of October 2026, 1.50 to 1.99ct I SI2 natural emerald diamonds typically cost $3,964 SGD to $12,493 SGD, with a median price of $7,843 SGD. There are currently 80 diamonds matching this specification available across retailers.

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

About 23% of these diamonds are available at multiple retailers, with an average price spread of 64%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.50 to 1.99ct I SI2 Natural Emerald

Quick answer

As of October 2026, there are 80 natural emerald diamonds with I colour and SI2 clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run $3,964 SGD to $12,493 SGD, with a median of $7,843 SGD. At least 47 retailers stock this exact specification, and 23% of the stones appear at more than one of them, with an average price spread of 64%. Half of all listings fall between $3,144 SGD and $5,811 SGD per carat. The same specification in lab grown form lists at a median of about $1,035 SGD per carat. Over the last 30 days the median price moved -1.8% and the number of listings moved +10.2%.

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

Lowest Price

$2,140 SGD

Highest Price

$21,131 SGD

Average Price

$7,942 SGD