Princess Cut Ruby Pendant Necklace in solid sterling silver. Size: 9.7 x 19.1 mm (0.38 x 0.75 in). Material: Sterling Silver. Total metal weight: 4.42 gr. Princess cut ruby (8 x 8 mm) = 3 ct total. Colour: Red. Stone cut: Princess Cut. Occasion: Graduation. Anniversary: 15th Anniversary, 40th Anniversary. Birthstone: July.