Left: Ivory Alençon lace gown, about $7,100, matching cape, $1,500, both by Ines Di Santo, inesdisanto.com. Vintage silver brooch, $120, from Kakkoii Mono, kakkoiimono.com. Gold, white-gold, and diamond bracelet, $1,936, white-gold-and-diamond engagement ring, $4,070, both by Simon G., simongjewelry.com. Right: Ivory silk and lace gown, about $4,300, by Carsten Juhl for Lara Hélène Bridal Atelier, larahelene.com. Platinum-and-diamond necklace, $106,848, by Neil Lane, 800-347-9177. Platinum-and-diamond bracelet, $17,960, by Cathy Waterman, cathywaterman.com. Platinum-and-diamond engagement ring, $14,000, by Rahaminov Diamonds, rahaminovdiamond.com.