Opal and diamond cluster ring. Horizontally set with three graduating oval cabochon opals in open back rubover settings, with an approximate combined weight of 1.90 carats, alternating between two vertical rows of graduating round old cut diamonds, with an approximate combined weight of 0.35 carats, to an elegant cluster design with millegrain edging, and intricately pierced gallery and open backholing, flowing to a solid D-shape shank. Marked 18 carat yellow gold, tested white gold setting, makers mark for Z. Barraclough & Sons Ltd. 'Z.B&S+L', English, circa 1915.
