Natural Lapis Gemstone Round and Rectangle Beaded Adjustable NecklaceThis lovely necklace is mostly made up of 6 millimeter round blue lapis beads. In the center alternating with the rounds are 18 by 13 millimeter slightly puffy lapis rectangles. They are hand knotted between for added security and elegance. The 20 inch long necklace closes with a silver lobster claw clasp and has a 2 inch extender.