SW2:

<lora:GraciaSW2_Illustrious:1>, Hosokawa Gracia, red hair, short hair, hair ornament, green eyes, small breasts, green dress, cape, capelet, white lace elbow gloves, yellow sash, bloomers, ribbon-trimmed thighhighs, black shoes,

SW3:

<lora:GraciaSW3_Illustrious:1>, Hosokawa Gracia, red hair, short hair, hairband, hair ornament,  green eyes, small breasts, purple shirt, purple sleeves, purple bracelet, black skirt, bloomers, purple capelet, white thighhighs, black shoes,

SW4:

<lora:GraciaSW4_Illustrious:1>, Hosokawa Gracia, purple hair, twintails, hair ornament, green eyes, small breasts, black dress, purple skirt, black elbow gloves, lace trim, frills, ribbon, black legwear, black high heel boots,

For the SW2 version I recommend you add cleavage cutout in the negatives, because the base Illustrious model really wants to add one to the outfit.