Pottery Barn Hadley Ruched Queen Duvet Cover: $159
(shams not included, standard $39 each)
Target Simply Shabby Chic Smocked Queen Duvet Set: $79.99
I've got one more Pottery Barn duvet cover knock off!!!
This one isn't as close as the first one and the Pottery Barn duvet cover isn't available online anymore, but I've seen it in stores recently.
Pottery Barn Taylor Diamond Ruched Queen Duvet Cover: $139
Target Home Pinched Pleat Queen Duvet Set: $69.99