Alexandrite Pendant Necklace in solid sterling silver. Size: 9.7 x 28.7 mm (0.38 x 1.13 in). Material: Sterling Silver. Total metal weight: 4.72 gr. Marquise cut alexandrite (10 x 5 mm, grade AAA) = 1.25 ct total. Colour: Colour Changing. Stone cut: Marquise Cut. Occasion: Mother's Day. Anniversary: 55th Anniversary. Birthstone: June.