Jane

http://www.cosplaysky.com/index.php/all/twilight-new-moon-volturi-jane-cape-dress-coat-costume.html

http://www.modcloth.com/store/ModCloth/Womens/Outerwear/The+Grey+t+Cape+r+Coat

Cape pattern:
http://www.simplicity.com/dv1_v4.cfm?design=5840&show=1

Tights:
http://brandsonsale.amazonwebstore.com/Adult-White-Thigh-High-Stockings/M/B000JGDJIU.htm?traffic_src=FIND&utm_medium=organic&utm_source=FIND&affId=the004-20

Shoes:
Thanks to Steffi: Camper Helena Shoes

http://www.thewalkingcompany.com/brands/Product.aspx?ProductID=9754&pagetag=Women_ECCO&source=Brand

Necklace:
http://www.hottopic.com/hottopic/LicensedGear/TheTwilightSagaNewMoon/Jewelry/Twilight-New-Moon-Volturi-Crest-Necklace-322520.jsp