RAPAPORT... Victoria McKay has resigned as chief operating officer of the London Diamond Bourse (LDB), the exchange said Monday. Executive assistant Stacey Aylott will become operationsmanager, taking over the day-to-day management of the bourse. McKay (pictured) - who held the position for six years - will remain with the boursein the short term to complete ongoing projects, such as moving the exchange toits new location. Afterwards, she will work as a consultant to assist withmanaging the launch. "Victoria has playeda critical role in positioning the LDB as a progressive bourse worldwide, andhas transformed us from an inwardly focused private members' club into arespected professional trade association with a global profile," boursepresident Alan Cohen said.