Necklace by Gurhan from the Sultan Collection. 22-karat and 24-karat yellow gold. Necklace with multiple chains beaded with black diamonds. White diamonds pave-set in 18-karat white gold. 1. 04 total diamond carat weight. 48. 85 total black diamond carat weight. Handmade lobster clasp. 32"L at longest; may be shortened. Truly one-of-a-kind, all Gurhan pieces are numbered and signed by the artist.