How much does a 1.00 to 1.49ct G SI1 natural asscher diamond cost?

As of October 2026, 1.00 to 1.49ct G SI1 natural asscher diamonds typically cost $1,625 USD to $5,376 USD, with a median price of $2,899 USD. There are currently 101 diamonds matching this specification available across retailers.

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

About 33% of these diamonds are available at multiple retailers, with an average price spread of 62%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct G SI1 Natural Asscher

Quick answer

As of October 2026, there are 101 natural asscher diamonds with G color and SI1 clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $1,625 USD to $5,376 USD, with a median of $2,899 USD. At least 61 retailers stock this exact specification, and 33% of the stones appear at more than one of them, with an average price spread of 62%. Half of all listings fall between $2,121 USD and $3,916 USD per carat. The same specification in lab grown form lists at a median of about $414 USD per carat. Over the last 30 days the median price moved -1.3% and the number of listings moved +6.5%.

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. Asscher natural stones in the index: 2,504 USD per carat, -3.3% 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

101

Lowest Price

$960 USD

Highest Price

$8,876 USD

Average Price

$3,212 USD