Julia Roberts is sitting on a cozy chocolate-colored sofa in a villa at West Hollywood’s Sunset Marquis two days before the Oscars, gazing affectionately at her newest project. “This is all me,” she says, pausing for a moment and then flashing her unmistakable megawatt grin to confirm that she is, in fact, just kidding.

The Oscar winner did, however, have a hand in the creation of what’s elegantly placed on a luxe tray in front of her: a three-piece Chopard high jewelry set consisting of a necklace, earrings and oversized ring (all one of a kind) featuring emeralds, turquoise and