Peridot & White Topaz Ring in solid 9ct white gold. Material: White Gold. Total metal weight: 3.0 gr. Radiant cut peridot (8 x 6 mm) = 1.5 ct total. Round cut white topaz (1 x 1 mm) = 0.16 ct total. Colour: Green. Stone cut: Radiant Cut. Occasion: Wedding, Mother's Day. Anniversary: 16th Anniversary. Birthstone: August.