Diamond Solitaire Ring, 3.20 Carats | M.S. Rau Whether set in a dazzling necklace, pair of earrings or a ring, diamonds exude a timeless luxury and refinement in fine jewelry that never goes out of style. Whether you’re interested in the history of a style or a certain cut, every shape and style has its own unique story to tell. When selecting a special bauble for a night out, a classic pair of studs or perhaps, a most-important diamond engagement ring, shape is often the first factor to…