Before Angelina Jolie's leg made its notorious red carpet debut in 2012, the actress and philanthropist made jaws drop at the 2009 Oscars when she paired a sleek black gown with Colombian emerald drop earrings, weighing a total of 115 carats, by Lorraine Schwartz. In anticipation of awards season, Sotheby’s jewelry specialists look back at some of their favorite star-studded (and diamond-studded) moments, while also identifying pieces in our Magnificent Jewels auction that bear an uncanny resemblance to them. Click ahead for jewelry inspiration from Lady Gaga, Natalie Portman, Nicole Kidman and more. –Stephanie Sporn
