Mysterious Opal Rhinestones Cocktail Ring Lovely Design Vintage Costume Jewelry

The round cluster bezel is composed of seven prong-set faceted opal-like rhinestones, very dimensional design reminiscent of 18th-century rings; unmarked Adjustable ring will fit best finger sizes 5.5 to 6.5 True Vintage Jewelry, c.unknown talkingfashion: As per Helzberg describing gemstones (...)"Opal jewelry shines with a smooth, captivating glow".