Welcome to Diamond Hill Estates - Offered for the first time by the original owners, this exceptional 3,600+ sq ft center hall Colonial is gracefully set on 1.8 lush, private acres in highly desirable Marlboro Township--offering a rare blend of scale, setting, and timeless elegance. A stately brick façade creates an immediate sense of something truly special. Inside, a gracious two-story foyer unfolds with rich hardwood flooring that carries seamlessly throughout the main level. At the heart of the home, a spectacular sun-drenched conservatory stands as the architectural centerpiece--an airy, light-filled sanctuary. This extraordinary space invites endless possibilities: an artful media retreat, music room, or a sun-filled year-round entertaining haven. The open-concept main level is designed for effortless daily living and sophisticated entertaining, with expansive living and dining areas that flow seamlessly from one to the next. A dramatic two-story family room, anchored by a wood-burning fireplace, overlooks the spacious kitchen, which offers abundant cabinetry, generous counter space, and a large center island designed for gathering and conversation. The first floor office provides a dedicated work from home space. The primary suite serves as a private retreat, offering a serene escape complemented by a spa-inspired en-suite bath. A versatile highlight of the home is a secondary bedroom featuring an oversized attached sitting room--ideal as a luxurious bedroom suite, private guest quarters or expansive dressing room. Two additional bedrooms and well-appointed bathroom ensure comfort and convenience throughout the home's thoughtfully designed layout. Completing the property are a three-car garage and a full, expansive basement offering exceptional storage and future potential for recreation, wellness, or custom finishing. Set within a premier Marlboro Township location known for its top-rated schools, strong sense of community, and convenient access to NYC commuting routes, this property delivers not just a home, but a lifestyle of comfort, elegance, and enduring value. Immaculately maintained by its original owners--this is a rare opportunity to own a home of scale, quality, and presence. Schedule your private showing.