This signed 18K yellow gold pin by Jean Vitau features yellow sapphires, green tourmalines, carved onyx, and round brilliant-cut diamonds in a pave, channel, and bezel-set face with a vivid ruby eye. The pin measures 25.50 mm long by 19.16 mm tall with 36 lively yellow sapphires, approximately 3.60 carats in total weight, a green tourmaline tail that is approximately .12 carats in total weight. The ruby eye is .07 carats in total weight and the diamond pave face is approximately .05 carats in total weight. It is stamped, "18KP."