On him: Versace slim wool tuxedo, $1,660, and silk tie with crown motif, $115; Richmond X button-front dress shirt with crystal accents, $450; Patek Philippe Model 5111 Gondolo watch in platinum and 18-karat rose gold, $27,250 (at Wynn & Co.). On her: Chado Ralph Rucci hand-fluted silk matte-jersey gown, price upon request; Bulgari 18-karat white gold and diamond Parentesi earrings, $15,700, and ring, $5,400; Harry Winston Diamond Signature Lace watch, $191,500

On him: Versace slim wool tuxedo, $1,660, and silk tie with crown motif, $115; Richmond X button-front dress shirt with crystal accents, $450; Patek Philippe Model 5111 Gondolo watch in platinum and 18-karat rose gold, $27,250 (at Wynn & Co.). On her: Chado Ralph Rucci hand-fluted silk matte-jersey gown, price upon request; Bulgari 18-karat white gold and diamond Parentesi earrings, $15,700, and ring, $5,400; Harry Winston Diamond Signature Lace watch, $191,500