This pretty multi gemstone twisted necklace is made with platinum over sterling silver findings and is adjustable to 20 inches. The necklace is made with natural chips of amethyst, peridot, Brazilian citrine, carnelian, and Mozambique garnet. It has a weight of 297.80 ctw, and the five gemstones offer a nice contrast of colors. The platinum plating will prevent the sterling from tarnishing for years. Check out the matching bracelet here: https://www.ebay.com/itm/256118599842