I bought this Hungarian white goose feather down comforter about a year ago. It's made by the Hotel Collection, and has always been kept inside a duvet cover. It's warm, fluffly, and feels glorious!

The retail price is about ~$700. The link below is for the 2014 iteration of the item, so it's slightly different but I'm leaving it here to give you an idea about the product:

http://www1.macys.com/shop/product/hotel-collection-medium-weight-full-queen-down-comforter?ID=850091&CategoryID=28898&LinkType=#fn=BRAND%3DHotel Collection%26sp%3D1%26spc%3D15%26ruleId%3D%26slotId%3D