If you're just a little bored with Tiffany's (a girl can use only so many tasteful diamonds, after all), here's a change: KENNETH JAY LANE: Faking It, the fabulous faker's tribute to himself and his 30-years-plus as a creator of wildly imaginative costume jewelry. Friend and jeweler to First Ladies from Jackie Kennedy to Hillary Rodham Clinton and celebrities from Audrey Hepburn to Linda Evans, Lane has used glass emeralds, plastic turquoise, and gold-plated metals to create eye-popping accessories. Now, writing with Miller, he shares the secrets of his inspirations and creations.