This ensemble is from the spring 2009 collection of Oscar de la Renta. 

THE FIRST 
Cashmere/silk blend cardigan with 3/4 length sleeves, button closures at center front, and sequin embellishments. Made in Italy.
Label: Oscar de la Renta
Size Label: Medium
Style/Serial No.: 3E 164 

Approximate Measurements:
Shoulders: 14 
Chest: 32"
Waist: 31"
Hips: 25"
Length (high shoulder point to hem):18"
Sleeve (center back neck to hem): 20"

THE SECOND 
Sleeveless A-line dress in bicolor silk taffeta with raw-edges and zig-zag detailing across bodice and near hem. Rear-zip and single-button close at center back. Made in USA. 
Label: Oscar de la Renta 
Size Label: 10
Style/Serial No.: 3N656 

Approximate Measurements:
Shoulders: 15"
Chest: 18.5"
Waist: 30"
Hips: 38"
Length (high shoulder point to hem): 39"