subdermal LED teardrop pendant, (internal LED glow:1.7), (embedded LEDs:1.8) forming a single, prominent glowing teardrop shape beneath the skin at the base of the neck, soft light radiating from the central point, (teardrop-shaped glow:1.6) mimicking a teardrop gemstone pendant, smooth light diffusion, (natural skin tone:1.5), high-definition, (ultra-realistic skin texture:1.8), seamless integration of light and skin, radiant teardrop effect beneath the skin, (worn pendant:-1.8), (visible jewelry:-1.8), (clunky design:-1.5), glowing light transitions, perfect for formal and casual wear, subtle yet bold