https://labdiamondinsights.com/news/kay-jewelers-2026-rebrand-what-a-major-chains-leaner-assortment-and-store-overhaul-signals-for-lab-grown-diamond-buyers Lab Diamond Insights en 2026-09-12T00:00:00.000Z Kay Jewelers' 2026 Rebrand: What a Major Chain's 'Leaner Assortment' and Store Overhaul Signals for Lab-Grown Diamond Buyers