Signet Jewelers is a holding company. Through its subsidiaries, Co. is a retailer of diamond jewelry. Co. operates stores and kiosks in the U.S., U.K. and Canada. Co. has three reportable segments: North America, International and Other. The North America reportable segment operates across the U.S. and Canada. Its U.S. stores operate nationally in malls and off-mall locations. The International reportable segment operates stores in the U.K., Republic of Ireland and Channel Islands. The Other reportable segment consists of non-reportable segments, including subsidiaries involved in the purchasing and conversion of rough diamonds to polished stones.