The top stories for April. Don’t miss a headline! Sign up for our daily newsletter at jckonline.com/newsletters/subscribe. 1. Theft May Rank Among Industry’s Largest Ever The heist, ­during which 72 safe deposit boxes in London’s Hatton Garden district were looted of some $300 million in cash and gems, drew comparisons to the criminal feats of Ocean’s Eleven. 2. Power List 2015: Power Base Our annual list of 50 (or so) jewelry industry CEOs, retailers, designers, and tastemakers caused quite a stir. 3. Cruise Line May Have to Honor Bargain Price for 20 Ct. Diamond A cruise line that mistakenly sold a $4.9 million 20 ct. diamond at its per-carat price ($235,000) may have to honor the deal, ruled a Florida court. 4. Today Show Takes Aim at Vacation-Area Jewelers An April 2 segment warned viewers that some jewelry sold to vacationers is overpriced and misleadingly l