Signet’s stock fell nearly 15% in premarket trading. Signet faced a “competitive environment,” higher transaction values on its new fashion merchandise helped its results, a ...

the parent of Zales and Blue Nile ... He also cited competition from artificial diamonds. "Lab-created diamonds have disrupted the industry," he said, while adding that the product type offers ...

Signet Jewelers SIG, the jewelry market share leader with its Kay Jewelers, Zales, Jared ... both on natural diamonds and on lab-created,” Drosos said in the earnings call.