Art Deco 18k Lightening Ridge Dark Opal Ring Yellow Gold Each band is stamped "14K"

Each band is stamped "14K" inside

and a man on a jumping horse

however a printed version is available for purchase from Paul

Measurements: The necklace measures 64" in length

Art Deco 18k Lightening Ridge Dark Opal Ring Yellow Gold Each band is stamped "14K"Black and dark opals are the most rare and valuable of all natural opal varieties. These amazing stones exhibit amazing color backed by grey or black "potch", or common opal, unlike their white opal counterparts, which are backed by more common white potch. The dark base tone gives striking contrast to the brilliant rainbow of colors and patterns, which come about as a result of variations in the orientation and size of microscopic beads of silica