From Carrie's black diamond to Charlotte's classic Tiffany solitaire, the 'SATC' crew had ... marries the two more than the engagement rings that were given to them. Each sparkler, be it Bradshaw ...

Jessica Sklar is Seinfeld's star. Hers is a Lucida solitaire diamond ring by Tiffany. Photos: Tricia Meadows/ Globe Photos. Ring details provided by the Diamond Information Center.