Down Duvet Covers & Sets. 15 Results. Recommended. Sort by. Fill Material: Down. Clear All. Sale. +2 Sizes. Down Floral Duvet Cover & Insert Set. by Chic Home. From $32.25 $42.00. ( 3) +4 Colors | 4 Sizes. All Season Cotton Down Comforter/Duvet Insert. by White Noise. From $102.99 $108.99. ( 134) 2-Day Delivery. FREE Shipping.