Capture a captivating close-up of an ethereally beautiful princess. Her long, flowing hair shimmers like spun moonlight, a genuine smile gracing her features. Clad in a luxurious red and black gown, its silhouette a perfect blend of elegance and power. The puffed sleeves and dramatic shoulders add a touch of grandeur. The centerpiece is a mesmerizing gemstone held in her hand, its otherworldly glow bathing her face in an ethereal light. The background showcases a section of the magnificent castle, its grandeur hinted at by towering, elaborately decorated candles that resemble trees bathed in the gemstone's soft luminescence. This close-up demands perfection in HD quality, capturing every intricate detail of her gown, the sparkle in her eyes, and the mesmerizing glow emanating from the gemstone.