Classic solitaire diamond ring Besides the different styles, you can also vary the diamond cut. For the term solitaire, it does not matter whether you choose a classic brilliant cut or another cut, such as a heart-shape for example. We refer to both as them as solitaires. However, many people jump to the brilliant as 95% of all diamonds are brilliant cuts. So if you prefer a solitaire with a different cut it is always wise to mention that as well