She then capped off the look with her signature rhinestone fingerless gloves and a crown from Loschy.
As for the main event, Paris Hilton's engagement ring was custom made by the famous Jean Dousset, who is also the great-great-grandson of the iconic French jeweler Louis Cartier.
Interestingly, she revealed on her website that the breathtaking mega-carat sparkler was handcrafted for the socialite and was named "Paris."
"A group of finest diamond cutters, polishers, jewelers, and setters, were assembled for this special project," the statement reads, alongside a photo of the emerald-cut jewelry.
Moreover, she also uploaded a short clip on her Youtube channel as she gets into detail about her massive ring.
A 39-second clip shows how her jaw-dropping engagement ring was conceptualized, drafted, and designed by the renowned jeweler.
As cited by Popsugar, experts estimate that Paris Hilton's engagement ring might cost around $1 to $2.5 million, while the emerald cut diamond ranges from 10 to 15 carats.
On the other hand, E! News noted that WP Diamonds CEO Andrew Brown thinks the ring "appeared to be a 20-carat emerald cut diamond ring with trapezoid diamonds on each side," that would probably retail "for $2 million."