This 5 bedroom, 5 bathroom duplex with separate media/den and additional home office comes beautifully renovated and offers solid oak hardwood floors, casement windows, and a semi-open windowed chef's kitchen and washer/dryer. With approximately 3,909 SF, there is an abundance of living area and ample storage, offered at a deep value price per square foot. Enter on the first floor into an open gallery and view the split-level, double sunken living room and dining area with large windows and city views with northern light. The windowed kitchen has an island with seating, a 5-burner Gaggenau stove, Thermador double ovens, Subzero wine refrigerator, convection microwave, Bosch dishwasher, Subzero refrigerator/freezer, a large pantry and custom cabinetry by Bulthaup. The upper level consists of a corner master bedroom with a custom-designed dressing room, a windowed en suite bathroom with double vanity, a separate stall shower and a soaking tub. In addition, there is a large den/media room as well as a home office with a separate entrance off the elevator landing, which can be converted to an au pair room.. The 4 additional bedrooms located on the lower level each have their own bathrooms with 2 en suite and 2 directly adjacent to the bedrooms, allowing them to also serve as guest bathrooms. The Diamond House is a full service condominium centrally located on East 77th Street, close to the subway, cross-town bus and the Upper East Side's finest dining and boutiques. Built in 1942 and converted in 2007, the building amenities include a wonderful landscaped roof deck, sky-lit gym and bike room. Storage is available for purchase.