You wear this charm to represent a son or a grandson with the appropriate birthstone. This is one of the all time favourite Birthstone Pendants for Mothers and Grandmothers. The Stone in the head is a 4mm Cubic Zirconia, and the one in the Body is an 8mm X 6mm Synthetic oval colour Stone and the body is sterling Silver. The height of the charm is 1 3/16" (3 cm). CHAIN IS NOT INCLUDED..