Diamantado literally means "diamond-studded" or "diamond-plated." It's a less common adjective than simply saying something has diamonds, implying a more deliberate and luxurious application.
In this song, it's used to describe items that are heavily adorned with diamonds, reflecting the opulent and extravagant lifestyle associated with the narco-culture depicted. It paints a vivid picture of wealth and status.
Get ready to dive into the world of "El Señor De La Oscuridad El Venom" by El Komander featuring Abel Zazueta! This song introduces us to a mysterious figure, often called "El Venom," who operates in the shadows. He's a man of dark glasses and a hidden identity, working in the "tierras de la mirada para que no le vean la cara y no sepan quién es" [lands of the gaze so they don't see his face and don't know who he is].
The lyrics paint a picture of someone who started small, as a "mandadero" [errand boy], but has risen to power. He's always dressed in black, a "chakura el mal hecho" [badly made jacket], and is known for his ruthless nature. While not from Sinaloa, he enjoys the regional music, and his crew is always ready for action, with "celulares en la mano siempre bien comunicado" [cell phones in hand, always well-communicated] and classic pistols. He's a collector of valuable things, from "plata y los diamantes de elementos naturales" [silver and natural element diamonds] to various currencies. The song warns those who betray him, promising them a visit to hell if they don't already know it.