A Bvlgari 18K white gold and pave diamonds Serpenti viper ring more than doubled its high estimate to finish at $11,685; an Hermes Ebene Clemence Birkin 42 shoulder bag realized $8,610; and a men’s Rolex Sea-Dweller Deep Sea wristwatch rang up $6,765 in Neue Auctions’ online-only Property of a Gentleman auction held on October 18th.