An Art Deco Platinum, Diamond and Sapphire Ring, in an openwork design containing one old mine cut diamond weighing approximately 0.90 carat, surrounded by 12 channel set calibre cut sapphires, six old mine and old European cut diamonds weighing approximately 2.50 carats total within millegrain edgework. Stamp: 10%IRID.PLAT. 4.10 dwts.