IMPORTANT COCKTAIL RING in yellow gold (750) and platinum (850), centered on an emerald-cut aquamarine in a closed setting surrounded by small brilliant-cut diamonds in a grained setting on a partially openwork background with an arc of circles, the small sides with an openwork design of florets and lines of calibrated sapphires in a rail setting. Gross weight: 15.1 g. - Finger size: 55.5. Scratches on the aquamarine and wear scratches, missing closed setting.