Create an image of Blue Diamond, a character from Steven Universe. She is a tall, regal Gem with blue skin and long, flowing indigo hair. She wears a flowing blue gown with diamond insignias. Show Blue Diamond standing in a confident and authoritative pose, with a gentle and loving expression, a smile on her face. Ensure her features reflect her composed and majestic demeanor. Place Blue Diamond in a majestic Gem environment, perhaps with hints of the celestial or crystalline surroundings. Ensure the background complements her character and adds to the overall atmosphere. | Anime