Sea-foam silk chiffon gown with crocheted bikini top, about $3,400, by Ristarose Couture. 18kt-gold, turquoise and diamond earrings, $7,776, by Doris Panos. 18kt-gold, topaz and turquoise bracelet, $4,950; 18kt gold–and-turquoise ring (far left), $1,950, both by David Yurman. 18kt-gold, topaz and turquoise bracelets, from $7,020 each, by Stephen Dweck, 212-872-8651. 18kt-gold-and-turquoise ring (left), $1,450, by Di Modolo. 18kt gold–and-turquoise ring (right), $4,080, by Stephen Dweck, 212-872-8651. 18kt gold–and-turquoise ring (far right), $2,550, by David Yurman.