Seven Strands Natural Turquoise And Lapis Lazuli Chip Necklace. 925 Sterling Silver Toggle, Hand Strung and individually double knotted between each stone. The necklace is composed of 4 strands of turquoise and 3 strands of lapis lazuli. The shortest strand is 16 in long, the longest 20 in. 925 hallmarked sterling silver toggle closure.Weighs 157 grams, 5.54 Oz.