Create an unforgettable ensemble with details like a pickup skirt, an oversized rosette and perfectly pretty headpieces. Ivory taffeta ball gown with balloon skirt and high ruffled neckline with shell flowers, $5,400, by Amsale Blue Label, 800-765-0170. Gold, diamond and green chalcedony ring, $6,500, by Judith Ripka, 212-517-8200. Gold and white-gold monogram bracelet with pearls, $3,050, by Louis Vuitton. Platinum and diamond ring, $14,751, by Ritani.