Silver Princess Cut Tourmaline Cocktail Ring. Feel like a Princess with this Pretty Ring. Pink Tourmaline-Like Princess Cut Solitaire. 8 carat, princess cut AAA grade cubic zirconia set in four prongs. White gold rhodium plating Base metal jewelers quality brass. Rhodium Bond is achieved using an electroplating process that coats the item with heavy layers of rhodium which gives our jewelry a platinum luster. Size 6, 9 and 10. New with tags.