White floral guipure sweetheart column, $7,590, and white tulle tiered cape, $1,890, Oscar de la Renta, available at Mark Ingram, 212-319-6778; Beaded earrings, $225, Suzanna Dai, available at Fragments, 212-334-9588. Eighteen-karat white-gold and crystal ring, $5,800, Baccarat
