A cool cabochon of natural blue-green chrysocolla takes center stage in this elegant cocktail ring from Fermin in Peru. The oval stone is set in a sterling silver bezel atop a slender hammered sterling band....

A cool cabochon of natural blue-green chrysocolla takes center stage in this elegant cocktail ring from Fermin in Peru. The oval stone is set in a sterling silver bezel atop a slender hammered sterling band....

A cool cabochon of natural blue-green chrysocolla takes center stage in this elegant cocktail ring from Fermin in Peru. The oval stone is set in a sterling silver bezel atop a slender hammered sterling band....

A cool cabochon of natural blue-green chrysocolla takes center stage in this elegant cocktail ring from Fermin in Peru. The oval stone is set in a sterling silver bezel atop a slender hammered sterling band....

A cool cabochon of natural blue-green chrysocolla takes center stage in this elegant cocktail ring from Fermin in Peru. The oval stone is set in a sterling silver bezel atop a slender hammered sterling band....