A hyper-realistic, 4K ultra-resolution close-up image of a female model showcasing an exquisite necklace for a high-end luxury jewelry brand. The image exudes sophistication, elegance, and luxury, targeting upscale markets with a focus on the necklace's intricate design. The composition centers on the model’s neck and upper chest area, with a sharp focus on the necklace’s gems, chain, and metallic textures, while the model’s skin is softly illuminated, creating a flawless backdrop for the jewelry. Shot with a 100mm macro lens and a very shallow depth of field (f/1.8), the background is beautifully blurred, keeping the necklace in crystal-clear focus. The solid dark background, in deep navy or black, enhances the brilliance of the necklace, ensuring it stands out against the minimalist setting. Soft but focused studio lighting is employed to create subtle highlights on the jewelry’s gems and metallic surfaces, while slight side lighting emphasizes the shine and reflectiveness of the necklace. The model’s neck is elegantly elongated with a slight tilt, subtly showcasing the necklace’s luxurious placement. Post-production includes high contrast adjustments to make the jewelry pop and additional light reflections to accentuate the shine of the gems and metal. Light skin retouching ensures a smooth, flawless display area for the necklace, maintaining the image’s overall polished, luxurious feel. This refined jewelry-focused portrait is perfect for luxury branding and high-end advertising.