Cushion Cut Emerald & White Topaz Ribbon Pendant Necklace in solid 9ct white gold. Size: 19.1 x 19.1 mm (0.75 x 0.75 in). Material: White Gold. Total metal weight: 1.5 gr. Cushion cut emerald (9 x 9 mm) = 2.5 ct total. Round cut white topaz (1 x 1 mm) = 0.2 ct total. Colour: Green. Stone cut: Cushion Cut. Occasion: Wedding, Mother's Day. Anniversary: 20th Anniversary, 35th Anniversary. Birthstone: May.