Emphasizing beauty and brilliance:
* As gorgeous as a sunrise over the ocean. (Classic and evocative)
* As gorgeous as a perfectly cut diamond. (Highlights clarity and precision)
* As gorgeous as a field of wildflowers in bloom. (Natural and vibrant)
* As gorgeous as a star-filled night sky. (Awe-inspiring and vast)
* As gorgeous as a painting by a master artist. (Implies artistry and skill)
Emphasizing radiance and allure:
* As gorgeous as a golden goddess. (Mythical and powerful)
* As gorgeous as a siren's song. (Enticing and captivating)
* As gorgeous as a perfectly ripe peach. (Sensual and appealing)
* As gorgeous as a newly opened rose. (Fresh and delicate)
Emphasizing a sense of awe and wonder:
* As gorgeous as a dream. (Ethereal and unreal)
* As gorgeous as a secret garden. (Hidden and enchanting)
The best simile will depend on the specific context and the effect you want to create.