Fantasy mermaid, shimmering turquoise scales, flowing long golden hair, seashell bra, sparkling diamond tiara, alluring siren eyes, luscious lips, seductive smile, slender waist, curvy hips, shiny tail with iridescent fins, sitting on a rock, underwater cave, coral reef, seaweed surroundings, soft glowing jellyfish lighting, misty atmosphere, cinematic composition, 3/4 view.