In a mystical, ethereal realm of floating crystals suspended in a vibrant, azure sky, a captivating female figure stands amidst a cascade of glowing gems. Her attire is a flowing gown crafted from a fabric that seems to capture the essence of a crystal-clear ocean, blending shades of cerulean blue and shimmering aquamarine. Her hair, a striking shade of seafoam green, cascades down her back in intricate, flowing waves, framing a face with delicate, serene features. Her eyes, a mesmerizing shade of oceanic teal, seem to reflect the mysteries of the deep sea. She wears a delicate tiara made of intertwining coral and tiny, luminescent pearls, enhancing her mystical and otherworldly presence. The background is a breathtaking scene of luminescent crystals and gentle, glowing streams that weave through the realm, creating a serene and enchanting atmosphere. The style is a blend of fantasy and oceanic elegance, with a focus on cool color tones and intricate detailing, creating a mesmerizing and otherworldly atmosphere.