Purchased a diamond necklace at 40% off for $600 ... Do better Kay Jewelers! Kay is a jewelry company owned by Signet Jewelers that was founded in 1916, and the company is headquartered in ...

Signet Jewelers SIG, the jewelry market share leader with its Kay Jewelers, Zales, Jared, Diamonds Direct, Blue Nile and five other banners, hit an even rougher patch. Through October, its year-to ...