HAMILTON, Bermuda, 2017-Apr-20 — /EPR Retail News/ — Signet Jewelers Limited (“Signet”) (NYSE:SIG), the world's largest retailer of diamond jewelry, announced today that its new Board Committee focused on Respect in the Workplace has appointed former federal Judge Barbara S. Jones, a partner at Bracewell LLP, to conduct a thorough review of the company’s policies and…