Cubic Zirconia Ammonite Shell Stud Stud Earrings in solid rhodium finished sterling silver. Size: 7.5 x 12 mm (0.3 x 0.47 in). Material: Sterling Silver. Total metal weight: 2.01 gr. 2 round cut cubic zirconia (1 x 1 mm). Colour: White. Stone cut: Round Cut.