Alexandrite & Diamond Pendant Necklace in solid 9ct white gold. Size: 9.1 x 22.4 mm (0.36 x 0.88 in). Material: White Gold. Total metal weight: 1.6 gr. Oval cut alexandrite (10 x 8 mm, grade AAA) = 3.25 ct total. Round brilliant cut diamond (1 x 1 mm, H colour, I1 clarity) = 0.04 ct total. Colour: Colour Changing. Stone cut: Oval Cut. Occasion: Wedding, Mother's Day. Anniversary: 55th Anniversary. Birthstone: June.