A collection of five assorted diamond set rings, including a French white gold odeonesque ring, millegrain set to the front with brilliant-cut diamonds, bearing eagle’s head assay mark, together with a wavy half hoop band ring, set with baguette-cut diamonds, between brilliant-cut diamond borders, mounted in yellow precious metal, stamped ‘750’, a foil back rose-cut and single-cut diamond set eternity band, a treated blue and white diamond set broad band ring, and a further ring. £700-£900