Beadscape ~ A Bit of Deja Vu Handmade Semi Precious Stone Adjustable Knot Black Cord Necklace Genuine semi precious stone pendant. Each stone varies slightly, no two are ever alike. Sliding knots allow you to adjust the length of the necklace. Handmade by the Artist. Unisex! Makes a great gift for both men and women! A great gift for someone looking for a simple, attractive necklace.