St. Geneve (Canada) offers eiderdown comforters ('duvets') for $2100-6000.
Eighteen ounce queen size is $2800.00, a 30-oz weight is $4300.00.
Canadian dollars, but equivalent to U. S. dollar at this time.

360-count German-made Egyptian cotton shell; choice of covers. Twenty-year guarantee against defects.

http://www.tmasc.ca/stg_filling4eiderdown/EiderCottonDuvet.html

Call toll free- 1-877-750-1212. Shipping in Canada free.

Absolutely the best. The down is from the eider nests, hand-collected after the ducks leave the nests. Collection from Eider duck sanctuaries.