New day shirt by Jessica Lynn Show Apparel, approximately a Women's Medium. Base material is lightweight, stretchy, and has a sheen to it. Stonework is done in silver and gold. 
 
Measurements
Bust 36/40"
Waist 29/33"
Arms 22.5"
Shoulders 17"
Length 26.5"
Hips 36/40"
 
Note that the designer offers complimentary alterations on brand new pieces.