The actor Elizabeth Taylor had a longtime love affair with Bulgari jewelry, which prompted the Italian jewelry house to create a one-of-kind pair of earrings out of 18-karat gold, spinels, turquoise, and diamonds to commemorate the 50th anniversary of the movie release of Cleopatra. With a graphic, geometric shape and vivid colors inspired by ancient Egypt, their contemporary design looks like something plucked from the film’s costume department. It will be on the auction block at Sotheby’s Magnificent Jewels …