Swiss Blue Topaz Floral Pattern Earrings in solid sterling silver. Size: 16 x 16 mm (0.63 x 0.63 in). Material: Sterling Silver. Total metal weight: 3.7 gr. Round cut Swiss blue topaz (5 x 5 mm) = 1 ct total for pair. Colour: Blue. Stone cut: Round Cut. Occasion: Mother's Day. Anniversary: 4th Anniversary. Birthstone: November.