Located within “The Country”, Diamond Bar's prestigious 24-hour guard-gated community, this magnificent custom-built estate is a true architectural masterpiece, offering exceptional craftsmanship, privacy, and luxury. Encompassing approximately 6,423 square feet of elegant living space and surrounded by other distinguished custom estates, this impressive residence welcomes you through grand double doors into a dramatic foyer highlighted by a stunning Crystal Chandelier. The formal living and dining rooms provide sophisticated spaces for elegant entertaining and both-sided fireplace, while the expansive family room features a custom wet bar, creating the perfect setting for gatherings with family and friends. Designed for both everyday living and grand entertaining, the gourmet chef's kitchen showcases granite countertops, a large center island, custom cabinetry, high-end stainless steel appliances, and a built-in Sub-Zero refrigerator, combining timeless style with exceptional functionality. The home offers 6 spacious bedrooms and 5.5 bathrooms, including 4 bedroom suites. Two bedroom suites are conveniently located on the main level, making them ideal for guests or multi-generational living. The luxurious primary suite serves as a private retreat, fireplace, private balcony, spacious walk-in closet, spa-inspired bathroom with a soaking tub, and a separate shower. Step outside to your own resort-style backyard featuring a sparkling swimming pool and spa, two pavilion gazebos, a built-in BBQ and outdoor cooking area, professionally designed landscaping, and a variety of mature fruit trees, creating the perfect environment for outdoor entertaining and relaxation. Additional highlights include new three-zone central air conditioning, a 3-car garage, RV parking, a security system, elegant crown molding throughout, and fresh interior and exterior paint. Ideally situated on a private cul-de-sac within the highly acclaimed Walnut Valley Unified School District, this extraordinary estate offers the perfect balance of prestige and convenience, just minutes from fine dining, premier shopping, and major freeways. A rare opportunity to own one of the most distinguished luxury estates in “The Country”, one of Diamond Bar's most exclusive communities.