The VNU Couture Diamond Leadership Conference, to be held at the Plaza Hotel in New York City Oct. 13-14, 2004, will kick off with one of the biggest brand names in the world of international business and luxury real estate. Donald J. Trump, chairman and president of The Trump Organization, will be the opening keynote speaker at the by-invitation-only conference, which is designed to address the critical issues in diamond marketing facing couture retailers today. The Couture Diamond Leadership Conference, a four-day by-invitation-only Phoenix event, will be limited to 90 retail organizations and 40 supplier companies. For more information on the conference call (646) 654-7669.