Celebrities and their Diamond Jewelry

Rose Byrne in Fred Leighton

Australian actress Rose Byrne added sparkle to her Calvin Klein Collection dress with Fred Leighton gems. The Damages star layered an Edwardian double diamond strand over platinum and diamond chain necklaces and added diamond studs and a diamond snake and emerald bead ring.

Kristin Chenoweth in Jude Frances

Kristin Chenoweth iced up her Armani Prive gown with diamond-and-white-gold earrings from Jude Frances.

Julia Louis-Dreyfus in Tiffany & Co

Julia Louis-Dreyfus blinged out her Narciso Rodriguez diamonds. The actress donned Metro bangles in yellow, white and rose gold and stud earrings totaling 6 carats.

Heidi Klum in Lorraine Schwartz

Klum’s butterfly earring were made of blackened platinum, lavender jade and diamonds.

Lisa Edelstein in Stephen Webster

Lisa Edelstein displayed the gemstone on her own diamond chain.

Christina Applegate in Lorraine Schwartz

The gorgeous looks of Christina Applegate in her Reem Acra gown with shoulder-dusting chandelier earrings from Lorraine Schwartz. The blackened platinum, diamond and amethyst earrings came complete with a matching cocktail ring.

America Ferrera in Fred Leighton

Ugly Betty lead America Ferrera looked retro cool in a 19th-century diamond flower necklace from Fred Leighton. The silver on gold necklace was paired with a diamond line bracelet from the same era and 2.5-carat diamond drop earrings.