Their prices reflect mainly labor and artistry rather than the value of the material itself. Agates of large size or with particularly distinctive, fine, or landscape-like color patterns are at a premium. Custom cut pieces or stones from collectible locations would be substantially more expensive.

Is agate a precious stone?

An opaque, semi-precious stone, an agate would be familiar to almost any American, even if the mineral's name isn't. Agates vary in color from bright blue to glowing amber and deep black. They yield beautiful striped patterns when cut and polished.

How much does an agate cost?

An above-average quality landscape agate (dendritic agate) or moss agate can cost anywhere from $20 to over $200, depending on how appealing the landscape is.