Ivory silk duchesse fit-and-flare gown with bias band detail, $4,200, by . Ribbon from Mokuba, 212-869-8900. Silk flower, $150, by Bride’s Head Revisited. CZ earrings, $75, by Charles Winston Collections, shopnbc.com. Swarovski crystal clutch, $1,622, by Edidi, 212-753-4000. CZ bangle, $299, by Charles Winston Collections. Diamond and platinum engagement ring (seen throughout), price upon request, by De Beers.