Chic ’60s-inspired dresses with geometric elements are high-style options for your big day. White waffle-pique dress with detachable straps, $375, by Kathlin Argiro. Flower in hair by Dulken & Derrick. Lucite earrings, $60; lucite bangles, $55–$110 each; lucite ring, $30, all by Isaac Manevitz for Ben-Amun, 212-944-6480. Lucite bangles, $200–$800 each, by Patricia Von Musulin, 212-350-0100.