natural gemstone blue turquoise and red coral heart and round bead design 20 inch long hand knotted necklace silver lobster claw clasp This lovely necklace alternates 1/2 inch puffed turquoise hearts with 6 millimeter round red coral beads. They are hand knotted between for added security and elegance. The 20 inch long necklace closes with a silver lobster claw clasp.