An exceptional estate within the exclusive Diamond Crest gated community, this stunning residence offers the perfect blend of luxury, elegance, and comfort. This luminous home boasts a spacious floor plan featuring 6 bedrooms, an office, and 4.5 bathrooms. The grand double entry doors open to a formal living room with soaring double-height (20+ ft) ceilings. The family room, accentuated by a cozy fireplace, seamlessly connects to the formal area--ideal for entertaining guests in style. The gourmet kitchen showcases upgraded quartz countertops, functional layout, and ample cabinetry, complementing the elegant dining room. This architectural masterpiece perfectly combines timeless elegance with modern functionality, enhanced by solid hardwood and modern flooring throughout. The home includes multiple bedroom suites, ideal for multigenerational living. The desirable downstairs suite is filled with natural light, while the main floor office with French glass doors provides the perfect workspace. The grand master suite offers generous proportions and a luxurious retreat with an oval bathtub, separate shower, and dual walk-in closets. Additional highlights include a three-car garage and a spacious private backyard, perfect for outdoor entertaining and relaxation with friends and family. Conveniently located near the 57 and 60 freeways, shopping, and fine dining, this home is situated within the award-winning Walnut Valley Unified School District and within walking distance to South Pointe Middle and Diamond Bar High School.