Wear Pearls. Wear simple pearl pieces for a touch of classy elegance. If you wear a pearl necklace, choose one that hugs your neck instead of one that hangs over your blouse or dress, because...

  Keep things simple with black gemstones, such as onyx. Go for an all-white outfit adorned by black jewelry. If you want a simple, sleek look, black and white look for a timeless effect. Add...