A collection of 11 gem-set and diamond rings, comprising: a 9ct gold ring with rope twist engraving,

A collection of 11 gem-set and diamond rings, comprising: a 9ct gold ring with rope twist engraving, channel-set with brilliant-cut diamonds, size Q, British hallmarks; an opal and diamond ring, a kunzite ring and three half-hoop rings set with brilliant-cut diamonds, all with British hallmarks for 9ct gold; a calibré-cut emerald and single-cut diamond ring in 9ct gold, British hallmarks; two rings of knotted design in 9ct white gold and rose gold respectively, each set with brilliant-cut diamonds, British hallmarks; and two 9ct gold navette-shaped cluster rings set with brilliant-cut diamonds, British hallmarks, accompanied by five certificates of authenticity