Victorian opal and diamond coronet cluster ring. Centrally set with an oval cabochon natural unenhanced opal in an open back grain setting with an approximate weight of 1.05 carats, encircled by twelve cushion shape old mine diamonds in open back grain settings with a combined approximate weight of 1.55 carats, to an elegant coronet cluster design featuring curving claws, a pierced gallery and fancy shape open backholing, leading to trumpeting shoulders with ridged details flowing through to a solid tapered D-shape shank. Tested yellow gold, circa 1890.
