Cushion Cut Alexandrite & CZ Halo Crown Drop Earrings in solid sterling silver. Size: 9.7 x 25.4 mm (0.38 x 1 in). Material: Sterling Silver. Total metal weight: 4.5 gr. Cushion cut alexandrite (9 x 7 mm, grade AAA) = 5.5 ct total for pair. Round cut cubic zirconia (1 x 1 mm) = 1.04 ct total for pair. Colour: Colour Changing. Stone cut: Cushion Cut. Occasion: Engagement, Wedding, Mother's Day. Anniversary: 55th Anniversary. Birthstone: June.