Signet Jewelers is a leading retailer of diamond jewelry and watches, known for its popular brands such as Kay Jewelers, Zales, and Jared. Founded in 1949, the company operates over 3,000 stores across the United States, Canada, and the United Kingdom, making it one of the largest jewelry retailers in the world. The company focuses on providing a wide range of products, including engagement rings, wedding bands, and fashion jewelry. Signet Jewelers is committed to ethical sourcing and sustainability, ensuring that their diamonds and materials meet responsible standards for environmental and social practices.