Princess Cut Swiss Blue Topaz Two Stone Ring in solid sterling silver. Size: 19.1 x 11.2 mm (0.75 x 0.44 in). Material: Sterling Silver. Total metal weight: 4.0 gr. Princess cut Swiss blue topaz (5 x 5 mm) = 1.25 ct total. Colour: Blue. Stone cut: Princess Cut. Occasion: Wedding, Formal Dress, Mother's Day. Anniversary: 4th Anniversary. Birthstone: November.