RAPAPORT... A Van Cleef & Arpels Zip necklace originally designed for Wallis Simpson was the breakout star of the most recent Christie’s Paris jewelry sale, raking in nearly three times its high estimate.Created in 1951, the diamond and ruby piece sold for EUR 819,000 ($820,005), smashing its EUR 300,000 ($300,368) upper estimate and setting a new world record for a Van Cleef & Arpels Zip ...