Chalcedony Value

Start an IGS Membership today for full access to our price guide (updated monthly).


All Sizes
$. to /ct
Fire Agate
to /ct
Blue Chalcedony
to /ct
Accompanying value information:
View Agate Profile

The International Gem Society (IGS) has a list of businesses offering gemstone appraisal services.

General high value points for all chalcedonies would be strong color saturation and high translucence. The value of varieties such as agate and carnelian is more a function of the beauty of their cutting than the material itself.