Ross-Simons is the authority on fashionable must-haves. RS Pure. Modern designs that complete your outfit and complement your personality. Long live lumachina, beloved for its near-mirror finish and high shine! This Italian-made lumachina-chain necklace gleams in polished 14kt yellow gold. Includes a 2" extender. Springring clasp, 14kt yellow gold lumachina-chain necklace.