Originally Posted by
teemuflyer
No, since it is a Hilton branded hotel, thus "Hilton" rules apply. Rome Cavalieri is considered part of the Waldorf Astoria collection, different rules.
Nonetheless, as long as they give diamonds some sort of lounge access they will be complying with the rules and/or Hilton isn't going to do anything about it.
Thought this was the case at the Conrad Singapore - but reading that thread it seems like they backpedaled and both lounges will accessible to Diamonds once they are opened?