The best accessories for a gorgeous gown are your groom and a great friend. Ivory French tulle gown with floral overlay, $2,300, by Pattis. “Gainsbourg” bronze necklace, $380; “Jalila” bronze necklace, $360, both by Anne Bezamat. Swarovski crystal and enamel cuff, $395, by Satellite. 14K gold and diamond dome ring, $1,364, by Jane Basch. 18K gold and diamond engagement ring, $31,160, by David Yurman. Lemon silk shantung dress, $260, by Jim Hjelm Occasions. Swarovski crystal and sequin earrings, $65; necklace, $340; rings, $80-$160, all by Satellite. On him: Suit, $3,500, by Armani, 212-988-9191. Shirt, $275, by Versace Collection, 888-282-6060. Silk tie, $125, by Robert Talbott.