Cushion Cut Aquamarine Tumi Pendant Necklace in solid sterling silver. Size: 9.7 x 19.1 mm (0.38 x 0.75 in). Material: Sterling Silver. Total metal weight: 4.77 gr. Cushion cut aquamarine (6 x 6 mm) = 0.75 ct total. Colour: Blue. Stone cut: Cushion Cut. Occasion: Wedding, Mother's Day, Graduation. Anniversary: 19th Anniversary. Birthstone: March.