Ultra-premium 3D model of a luxurious executive office chair featuring white diamond-stitched leather upholstery, real 24k gold-plated accents, lion-head armrest details, and a polished gold base. Designed for high-end office interiors, CEO suites, luxury penthouse visualizations, film close-ups, and opulent architectural renders.Built with perfect clean topology, fully unwrapped non-overlapping UVs, and studio-quality 4K PBR textures (Base Color, Roughness, Metallic, Normal, Height). Materials are carefully crafted for realistic leather shine, brushed and polished gold reflections, and subtle fabric details.