This is the Sapphire Sophisticate Barbie (Special Edition), by Mattel 1997

Features of this Doll: She features the classic Superstar head mold, stylized dark brown wavy hair, and vibrant blue eyes.Attire: A glamorous sapphire-blue shimmering ballgown with silver/jeweled button accents along the bodice.Accessories Included inside: Matching sapphire-colored drop earrings, a necklace, a bracelet, high-heeled shoes, and a hairbrush. She has never been removed from the box however, the packaging does show some age on the front bottom left, there is a little bubble in the clear part of the box and some of the corners are aged. Nothing is ripped or torn. It’s just showing age since 1997.