Swiss Blue Topaz J Hoop Earrings in solid sterling silver. Size: 19.1 x 25.4 mm (0.75 x 1 in). Material: Sterling Silver. Total metal weight: 3.5 gr. Round cut Swiss blue topaz (4 x 4 mm) = 2.75 ct total for pair. Colour: Blue. Stone cut: Round Cut. Anniversary: 4th Anniversary. Birthstone: November.