subdermal LED cascade necklace, (internal LED glow:1.7), (embedded LEDs:1.7) forming an intricate, cascading pattern of glowing light beneath the skin, (delicate light strands:1.6) flowing down the neck, mimicking the elegance of a waterfall necklace, soft light radiating from the collarbone downwards, (radiant glowing strands:1.6) creating a layered effect, high-definition, (natural skin tone:1.5), (ultra-realistic skin textures:1.8), seamless light transitions following the natural curves of the body, bold yet graceful, (worn jewelry:-1.8), (visible necklace:-1.8), (rigid design:-1.5), glowing cascade effect under the skin, modern and elegant, perfect for formal occasions