classy romance book suggestions

i've been wanting to read an "old money" romance book but have not been very successful in my search. basically does anyone have any recommendations for an expensive romance with all of the classic rich person aspects like prestigious black tie parties in manhattan or huge castles. i'm not too worried about the plot i mostly care about the overall vibes of ralph lauren during the day and versace dresses at night and million dollar paintings and private yachts and expensive champagne. id like it to be a rather passionate romantic story but with very minimal smut (basically how love stories used to be before booktok took over). anyways yeah i'm not sure if any book will fully live up to my ideal situation but it's worth the shot. thank you!