This Incredible Cobalt Blue ONYX Gemstone necklace is two thirds 3-strand, separated by decorative Tibetan silver spacer beads, and one third 1-strand, finished with a silver Lobster closure (See pictures). The stones are 4mm and the necklace measures 21-23" in length, depending on where you place the closure. This is considered Princess length. There are 210 Carats. These are Earth Mined Gemstones. Made in India. This is a +Shipping item. 0768OHJ