The fleet´s new flagship whose name (Italian for tiara) says it all. Costa Diadema offers the most complete, innovative and surprising experiences you could have on a cruise. Enchanting you with its many different styles, all coexisting in harmony. Surrounding you with the majestic and refined elegance of its different environments and atmospheres. Captivating you with a wide range of attractions for you to experience, from an endless selection of food, with flavours from around the world for you to enjoy, to the most spectacular Samsara Spa in the entire fleet, for maximum pleasure and well-being.