This lovely set is made up of 10 millimeter faceted round blue sapphire beads. It would make a great birthstone piece. The 20 inch long necklace is hand knotted between for added security and elegance. It closes with a large silver spring ring clasp. The matching earrings feature 2 10 millimeter faceted round beads separated by a silver spacer. They measure about 1-1/2 inch long in total including the silver hooks.