Alexandrite Stud Earrings in solid sterling silver. Size: 6.4 x 12.7 mm (0.25 x 0.5 in). Material: Sterling Silver. Total metal weight: 1.5 gr. Oval cut alexandrite (7 x 5 mm, grade AAA) = 2 ct total for pair. Colour: Colour Changing. Stone cut: Oval Cut. Occasion: Mother's Day. Anniversary: 55th Anniversary. Birthstone: June.