HAMILTON, Bermuda, 2016-Oct-10 — /EPR Retail News/ — Signet Jewelers Limited (NYSE:SIG), the world's largest retailer of diamond jewelry, announced today (October 5, 2016) that it has closed the previously announced transaction with Leonard Green & Partners, L.P. (“LGP”), a leading private equity firm, pursuant to which affiliates of LGP invested $625 million in the…