Celeste Long Embroidered Chiffon Gown Black Gold 14 What's Up This Week at J Stern Designs: How to Hem a Chiffon Dress J Stern Designs How much does it cost to hem a dress? Our quick answer is $60 $120 but really, it depends on the dress. , We charge by the inch of the dress circumference. The fun twirly dresses usually cost more How to Hem Chiffon the Easy Way {needle and thREAD}