Signet Jewelers Limited operates as a diamond jewelry retailer. It operates through three segments: North America, International, and Other. The North America segment operates jewelry stores in malls, mall-based kiosks, and off-mall locations in the United States and Canada primarily under the Kay Jewelers, Zales Jewelers, Jared Jewelers, Diamonds Direct, Banter by Piercing Pagoda, Peoples Jewellers, and Rocksbox brands, as well as operates online through its digital brands, James Allen and Blue Nile. The International segment operates stores in shopping malls, off-mall locations, and online primarily under the H.Samuel and Ernest Jones brands in the United Kingdom and the Republic of Ireland.