Olivia Wilde dazzled in diamonds by Jacob & Co. at the premiere of Warner Bros. Pictures 'Her. ” Wilde wore these GIA certified round brilliant cut micro-pave stud earrings in a platinum martini-setting with white gold push backs. Jacob & Co., the luxury timepiece and diamond jewelry house, was founded more than 25 years ago in New York City. After years of designing for private clients and building a sterling reputation with leaders in the worlds of entertainment, sports and high finance, the company launched its flagship store in New York City in 2004. Today, the brand has locations globally and is recognized as one of the premier luxury brands in fine watches and high jewelry. For more information, go to www.jacobandco.com.