subdermal implanted LED necklace, glowing light beneath the skin, implanted LEDs forming the shape of a gold necklace under the skin, soft golden glow radiating from beneath the surface, a subdermal sapphire glows highlighting her clavicle, seamlessly implanted subdermal jewelry, high-definition, (natural skin tone:1.5), soft subdermal LEDs, ultra-realistic textures, natural skin with light emanating from within, elegant yet futuristic under-skin jewelry, (futuristic elegance:1.5), glowing sapphire effect from beneath the skin, high-resolution, (delicate light diffusion:1.4), modern beauty tech, advanced subdermal implant technology