Cushion Cut Alexandrite & CZ Art Deco Pendant Necklace in solid sterling silver. Size: 16 x 31.8 mm (0.63 x 1.25 in). Material: Sterling Silver. Total metal weight: 6.02 gr. Cushion cut alexandrite (11 x 8 mm, grade AAA) = 3 ct total. Round cut cubic zirconia (1.3 x 1.3 mm) = 0.56 ct total. Colour: Colour Changing. Stone cut: Cushion Cut. Occasion: Engagement, Wedding, Mother's Day. Anniversary: 55th Anniversary. Birthstone: June.