Ketel One goes Oranje as Diageo has announced the newest edition to its premium vodka portfolio: Ketel One Oranje. The vodka is flavored with the natural essence of a select combination of Mandarin oranges from Italy and Valencia oranges from Florida and Brazil, according to the company. Ketel One Oranje is 40-percent alcohol by volume and retails for $25 for a 750-ml. bottle.