Diana Barbatos from Boushoku no Berserk / Berserk of Gluttony
Keep in mind that settings may vary slightly between different versions. See below for more details.
When I tested this with different checkpoints and LoRAs, it seemed to work quite well.
Pony:
A LoRA weight of 0.8 works great, though you can adjust the strength as you prefer.
Prompts I usually used:
purple dress, blonde hair, straight hair, green eyes, gold necklace, earrings, white frills, layered dress,SD 1.5:
A LoRA weight of 0.7 works great, though you can adjust the strength as you prefer.
Prompts I usually used:
purple dress, blonde hair, green eyes, gold necklace, earrings