HAMILTON, Bermuda--(BUSINESS WIRE)--Signet Jewelers Limited (“Signet”) (NYSE and LSE: SIG), the world's largest retailer of diamond jewelry, today announced its results for the 13 weeks ended August 1, 2015 (“second quarter Fiscal 2016”). Mark Light, Chief Executive Officer of Signet Jewelers, said, “Signet delivered a second quarter increase in same store sales of 4.2%, earnings per share of $0.78, and adjusted earnings per share of $1.28, a 19.6% increase. These results exceeded our same stor