Located in prestigious “The Country” of Diamond Bar, 24/7 guard-gated & patrolled community. Designed by the world famous architect Toyo Ito. This custom home offers 7 bedrooms and 10 bathrooms located in a peaceful secluded hillside. 11,735 sf of living space including gym, movie theater, library, office, catering kitchen, wok kitchen, bar, enclosed courtyard and infinite swimming pool & SPA. A master piece of supreme craftsmanship & architectural art. This incredible estate raises the bar for ultimate luxury, a masterful achievement of concept and design, the likes of which you have never seen. Custom Swivel Gate Wide offers a welcoming entry to a tranquil courtyard, and the formal front door opens to a spacious high ceiling foyer with glass staircase that provides a seamless flow for the whole house. Skylights are installed throughout the property above kitchen, laundry, all bathrooms and more. All cabinets are Italy imported brand. Appliances are top Miele professional series from Germany. There are High end Walker Zenger & Ann Sacks stone tiles installed throughout the house. Master bathroom has radiant heated floor, Infinite drains for all bathrooms. To experience the vastness, the attention to detail, and incredible open flow of the floor plan, you must tour it with your own eyes to appreciate the unparalleled beauty and ultimate enjoyment.