Platinum Edwardian Multi-Purpose Ruby, Diamond And Sapphire BandLadies platinum edwardian era multi purpose ruby, diamond and sapphire ring. This ring features a central band 14 square step cut natural rubies along one side; other side of the band features 18 step cut natural blue sapphire. Single cut diamonds are (SI) in clarity and (G) in color. Circa 1910. It is currently a size 7. Cannot be resized.