Cushion Cut Alexandrite Ritzy Pendant Necklace in solid sterling silver. Size: 6.4 x 19.1 mm (0.25 x 0.75 in). Material: Sterling Silver. Total metal weight: 4.52 gr. Cushion cut alexandrite (9 x 7 mm, grade AAA) = 2.75 ct total. Colour: Colour Changing. Stone cut: Cushion Cut. Occasion: Wedding, Formal Dress, Mother's Day. Anniversary: 55th Anniversary. Birthstone: June.