MGR Women's "Parading Coral" Red Coral Necklace A strand of hand knotted highly polished sea bamboo corals nicely parade around the entire neck. The size of each bead is approximately.: 13mmwx15mmlx10mmd. The necklace is 18" long. Sterling silver lobster clasp and extender. The extender is 1.5 long. There are some dark spots on beads due to the nature of the beads.