Vintage Art Deco Lady's Platinum Sapphire & Diamond Ring Ring Size: 4.75 A colossal, rich, and heavy Burmese sapphire, diamond, and platinum handmade cocktail ring containing scores of diamonds of many shapes and sizes, including baguettes and rounds, all of high color and clarity. Pieces of this type are always composed of the best materials. The grand designer wouldn't compromise quality in any regard.