subdermal LED jewelry, soft natural glow beneath the skin, (embedded LEDs:1.5) forming a delicate gold necklace pattern under the skin, (subtle sapphire-like glow:1.4) centered at the clavicle, seamless integration with skin, high-definition, warm, natural skin tone, (soft light diffusion:1.3), under-the-skin LED glow enhancing natural features, ultra-realistic textures, subtle lighting that gently follows the body's contours, refined elegance, advanced subdermal technology, modern body modification, (minimalist tech-infused beauty:1.2), smooth light emanation from beneath the skin, high-resolution, understated and graceful