Princess Cut Ruby & CZ Ring in solid sterling silver. Size: 19.1 x 19.1 mm (0.75 x 0.75 in). Material: Sterling Silver. Total metal weight: 8.0 gr. Princess cut ruby (4 x 4 mm) = 2 ct total. Colour: Red. Stone cut: Princess Cut. Anniversary: 15th Anniversary, 40th Anniversary. Birthstone: July.