Platinum Art Deco Ruby Sapphire and Diamond “Day & Night” Ring, circa 1930A rare find this Art Deco Day and Night ring is delicately crafted with ruby, sapphire and diamonds and set in Platinum throughout. It has a centre band made up of calibre cut rubies and sapphires. Each has a total of 13 bright pinkish red rubies and 13 deep blue sapphires. They are channel set within platinum, and hinged on either side are two additional diamond set bands. The 26 Old European cut diamonds are very bright with excellent scintillation,