Aquamarine Keepsake Ring in solid sterling silver. Size: 9.7 x 6.4 mm (0.38 x 0.25 in). Material: Sterling Silver. Total metal weight: 3.25 gr. Oval cut aquamarine (8 x 6 mm) = 1 ct total. Colour: Blue. Stone cut: Oval Cut. Occasion: Wedding, Formal Dress, Mother's Day. Anniversary: 19th Anniversary. Birthstone: March.