RAPAPORT... Beryl Raff will leave her role as chairman and CEO of Helzberg Diamonds after 13 years with the company.Raff, who is set to retire on July 1, will continue to advise and consult the executive team at the Berkshire Hathaway-owned jeweler as a nonexecutive chairman, the jeweler said Tuesday. She is the longest-serving nonfamily CEO at Helzberg."Helzberg Diamonds is my family," said Raff. "The relationships I've built with my teams, sales associates and customers have enhanced my life beyond measure. I'll miss everything about leading this amazing brand, but I'm ready to start a new chapter."Brad Hampton, who has been with the company for five years, will succeed Raff. He will also continue in his current role as chief financial officer until a replacement can be found, the company noted. Image: Beryl Raff. (Beryl Raff/LinkedIn)