How much does a 0.75 to 0.99ct G SI1 natural princess diamond cost?

As of October 2026, 0.75 to 0.99ct G SI1 natural princess diamonds typically cost $1,180 SGD to $3,942 SGD, with a median price of $1,812 SGD. There are currently 250 diamonds matching this specification available across retailers.

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

About 35% of these diamonds are available at multiple retailers, with an average price spread of 77%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.75 to 0.99ct G SI1 Natural Princess

Quick answer

As of October 2026, there are 250 natural princess diamonds with G colour and SI1 clarity in the 0.75 to 0.99ct range available across retailers worldwide. Prices typically run $1,180 SGD to $3,942 SGD, with a median of $1,812 SGD. At least 63 retailers stock this exact specification, and 35% of the stones appear at more than one of them, with an average price spread of 77%. Half of all listings fall between $1,636 SGD and $3,276 SGD per carat. The same specification in lab grown form lists at a median of about $537 SGD per carat. Over the last 30 days the median price moved -7.2% and the number of listings moved +13.3%.

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. Princess natural stones in the index: 2,158 USD per carat, +5.7% 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

250

Lowest Price

$949 SGD

Highest Price

$7,325 SGD

Average Price

$2,243 SGD