24 and 18 karat yellow gold, oxidized sterling silver, black diamond beads and tsavorite garnet beaded necklace designed and created by Atelier Zobel. The necklace features round faceted tsavorite garnet beads graduating towards the center of the necklace. The tsavorite garnets weigh a total of 18.80 carats. The tsavorite garnet beads are flanked by stations of round faceted black diamond beads, 24 and 18 karat yellow gold tube beads, and round faceted sterling silver beads. The necklace measures 16″ and has an oxidized sterling silver “S” clasp. The style number is 170.923.