Pattinson buys $40K gold locket for Stewart   Twilight actor Robert Pattinson is said to have gifted his girlfriend Kristen Stewart an antique gold and platinum locket worth 40,000 dollars. According to the US edition of Star magazine, the ring contains photos of them and a personal inscription in Latin, which says, “Even if you  can’t see me, my love for you is always there”. Stewart, 21, who…