24 karat yellow gold, oxidized sterling silver and diamond vario clasp designed and created by Atelier Zobel. The clasp has a domed disc shape and is accented by rough stripes of 24 karat yellow gold and flush set round brilliant cut diamonds placed set randomly on both sides of the clasp. There are 16 diamonds in total, weighing 0.16 carats together, each F-G color and VS clarity. The clasp features a vario mechanism. The style number is 181.596.