Lilac Saree Portrait with Elegant Nighttime Lighting

Create an ultra-realistic 4K DSLR portrait of a young South Asian woman wearing a shimmering lilac saree with pearl shoulder details. Preserve the reference face, natural skin texture, and long flowing black hair She smiles while touching her hair near her ear, holding a black smartphone in her other hand. White columns, warm nighttime lighting, greenery, elegant pose, realistic fabric details vertical 9:16, no watermark. Insert discreet watermark in the lower right corner of the image, vertical text (rotated 90°), written "aipromptlabs.online", Calibri Light font, white color with low opacity (semi-transparent), medium size. Extreme sharpness on the face, fabric texture and typography of the letters. Shot on Canon EOS R5, 50mm f/2.8, studio light.