Aquamarine & Diamond Ring in solid 9ct white gold. Size: 19.1 x 19.1 mm (0.75 x 0.75 in). Material: White Gold. Total metal weight: 3.0 gr. Pear cut aquamarine (10 x 7 mm) = 1.5 ct total. Round brilliant cut diamond (1 x 1 mm, G colour, SI2 clarity) = 0.4 ct total. Colour: Blue. Stone cut: Pear Cut. Anniversary: 19th Anniversary. Birthstone: March.