Marquise ring in yellow gold, platinum and diamonds

18k yellow gold and platinum ring (750/1000). Set with nine diamonds: one half-cut diamond weighing approximately 0.13 ct; eight rose-cut diamonds weighing approximately 0.04 ct; total diamond weight approximately 0.17 ct; width at the top: 1.61 cm; ring size: 52; total weight: 2.61 g; owl and mascaron hallmarks. Excellent condition