Framed by an oversized graphic of New York City's iconic Chrysler Building, auctioneer Rahul Kadakia slammed his hammer down to close out the bidding on the top lot at Christie's Magnificent Jewels event on Tuesday. It was 1:25 in the afternoon, and the 54.03-carat "Chrysler Diamond" — Lot 136 — had just fetched $5.07 million, […]