Australian Opal 18k Gold Cocktail Ring circa 1970sPre loved Australian Opal 18k Gold Cocktail Ring from the circa 1970s exemplifies vintage elegance and bold craftsmanship. The ring features a large, captivating opal with a mesmerizing play of vibrant colorsblues, greens, and fiery redsthat shifts with movement, set in a warm 18k gold band. The design reflects the distinctive style of the 1970s, characterized by statement jewelry meant to be the centerpiece of an ensemble. Such a piece pairs