17 Dazzling Star Sparklers

These gems have five Cs: cut, color, clarity, carats and celebrity! See the big bling worn by Hollywood's most engaging women

JESSICA SIMPSON

According to jeweler Neil Lane, Eric Johnson wanted "the most romantic, beautiful, special ring" for his November 2010 proposal to Simpson. So he selected a three-stone sparkler with a 5-carat central ruby (the bride's birthstone) flanked by two pear-shaped diamonds that together total 5 carats.