Carolina Herrera   New York Magazine Pick   The Collection: Classic New York sophistication. Refined, polished gowns with subtle accents draw attention to the natural waist.   The Gown: Ivory strapless gown with champagne taffeta sash.   The Price: $3,990.   Where to Buy: Gowns range from $3,000 to $7,000 and can be purchased at Carolina Herrera and Saks Fifth Avenue.