Packing triple the flash of a solitaire, three-stone rings have a wide appeal. Madonna's Guy (Ritchie, that is) wowed her with an Edwardian-style ring with five carats' worth of round diamonds ...

The special rose cut dates back to the 1500s Emma also says that the solitaire diamond is an estimated eight carats and is set upon a simple yellow gold band, giving the ring a warm, antique feel ...

Even though I loved it, the choice to eschew the traditional solitaire diamond ... there are also stunning wide gold bands ...