Key Takeaways SIG reported Q1 revenues of $1.54B, with 2.5% same-store sales growth from brand-focused execution. Kay, Zales and Jared drove 4% comps via targeted assortments, unique campaigns and less discounting. Lab-grown diamonds hit 20% of sales while e-commerce delivered double-digit growth for key brands.Signet Jewelers Limited (SIG) began fiscal 2026 with strong momentum, with first-quarter revenues of $1.54 billion and year-over-year same-store sales growth of 2.5%, led by its “Grow Brand Love” s ...