Trillion Cut Citrine & White Topaz Halo Pendant Necklace in solid 9ct white gold. Size: 12.7 x 22.4 mm (0.5 x 0.88 in). Material: White Gold. Total metal weight: 2.0 gr. Trillion cut citrine (8 x 8 mm) = 1.5 ct total. Round cut white topaz (1.3 x 1.3 mm) = 0.31 ct total. Colour: Orange. Stone cut: Trillion Cut. Occasion: Wedding, Mother's Day, Graduation. Anniversary: 13th Anniversary. Birthstone: November.