subdermal LED jewelry, (internal LED glow:1.7) beneath the skin, (diffused light under skin:1.6), (embedded LEDs:1.7) forming a seamless illuminated necklace pattern, soft, warm light radiating naturally through the skin, (light integrated into skin:1.6), (sapphire-like glow beneath skin:1.5), soft golden light flowing along the collarbone, (natural skin tone:1.5), (highly realistic skin texture:1.8), delicate subdermal light pattern, (light contours following the body's natural curves:1.6), smooth, radiant light transitions, (futuristic elegance:1.6), advanced subdermal technology, high-definition, glowing light contours beneath the skin, seamless and refined design, minimal external appearance, (light naturally diffusing through skin:1.7), high-resolution, ultra-realistic textures blending light and skin, (worn jewelry:-1.8), (external necklace:-1.8), (visible jewelry:-1.8), (overexposed lighting:-1.4), (low quality:-1.5), (unnatural glow:-1.6), (clunky design:-1.5), (rigid appearance:-1.5), tech-enhanced beauty, bold yet natural light enhancements