This dress is designed by Jenny Packham
Some alternatives:
http://www.overstock.com/Clothing-Shoes/Connected-Apparel-Womens-Garnet-Scoop-neck-Dress/4287530/product.html
Shoes:
http://www.amazon.com/dp/B002R8Q97G/ref=asc_df_B002R8Q97G1039377?tag=the004-20&creative=380333&creativeASIN=B002R8Q97G&linkCode=asn
She is also wearing a pretty necklace. I haven't found it yet but I'm sure you can get jewelery makers on Etsy to make you one.
