Polished to a high gloss, turquoise is a bride's elegant good luck charm

Clockwise from top: 18kt white gold, turquoise and diamond bracelet, $21,600, by Zydo, zydoamerica.com. Turquoise necklace with sterling silver–and–pavé diamond clasp, $3,200; sterling-silver, turquoise and diamond pendant, $2,350, both by David Yurman, davidyurman.com. Platinum, turquoise and diamond flower overlay earrings, $2,080, by Cathy Waterman, twistonline.com.