Look every bit the mythical creature come ashore. Ivory point d'esprit A-line gown with empire waist and watteau train, price upon request, by Amsale. Straw linen headband, $70, by Colette Malouf, 888-774-2424. Gold and rutilated quartz octagonal earrings, $1,165, by Me&Ro. White gold, stainless steel and diamond cuff, $3,175, by Frederica Rettore, 787-754-0528 or reinholdjewelers.com. Sterling silver, diamond and moonstone ring, $19,435, by Sevan, 787-754-0528 or reinholdjewelers.com.