This beauty is a one of a kind rainbow moonstone necklace is in a hand stamped sterling silver frame setting. The necklace is approximately 1 1/2” long by 3/4 of an inch wide and the pendant is on a 18” box chain. Other chains are available by request in 16 “ 18 “ and 20 inch lengths. Please convo me. It’s a lovely one of a kind necklace.