Shown above: Ramra Light Indigo Organic Duvet To get a fluffy duvet, many stylists recommend either ordering a down comforter that is a size larger (so a king size down insert for a queen size duvet) OR using two inserts in the duvet. John Robshaw Down makes comforters that are OVERSIZED to fill the corners of the duvet, AND have maximum fill power eliminating the need to use two comforters....