Alexandrite & CZ Ring in solid 9ct white gold. Size: 12.7 x 12.7 mm (0.5 x 0.5 in). Material: White Gold. Total metal weight: 3.0 gr. Oval cut alexandrite (10 x 8 mm, grade AAA) = 3.25 ct total. Round brilliant cut cubic zirconia (1.3 x 1.3 mm) = 0.44 ct total. Colour: Colour Changing. Stone cut: Oval Cut. Occasion: Engagement, Wedding, Mother's Day. Anniversary: 55th Anniversary. Birthstone: June.