For a luxurious nail design inspired by the opulence of elite living, envision a rich black base embellished with delicate gold leaf patterns that mimic the intricate detailing found in fine jewelry. Incorporate shimmering rhinestones strategically placed to create a cascade effect, adding a touch of sparkling elegance. Consider using a matte finish for an extra layer of sophistication. Imagine subtle hints of deep red within the gold detailing for an enriched royal feel. The final look should embody timeless grandeur with a modern twist.