Cushion Cut Swiss Blue Topaz Flair Pendant Necklace in solid sterling silver. Size: 9.7 x 16 mm (0.38 x 0.63 in). Material: Sterling Silver. Total metal weight: 3.52 gr. Cushion cut Swiss blue topaz (6 x 6 mm) = 1 ct total. Colour: Blue. Stone cut: Cushion Cut. Occasion: Wedding, Formal Dress, Mother's Day. Anniversary: 4th Anniversary. Birthstone: November.