There are many diamond ring designs available in the market for your best diamond engagement rings and some of the stylish designs are given below. Black Diamond Ring Black diamond rings are one of the latest trends in wedding diamond rings. You can choose a black diamond with traditional solitaire settings or a bezel setting. If you want to keep it low-key, choose a diamond ring that is paved with tiny black diamonds.   Love Ring This is one of the best and meaningful options for your wedding diamond rings. Here, a huge heart shape diamond is used as the center diamond and is accentuated with a thin shank. For a cheaper option, choose a heart shape structure at the center of the ring that is clustered with tiny diamonds. Descending Diamonds Descending diamond designs is one of the best diamond engagement rings. Here, diamonds are set in a simple gold metal band according to their descending sizes. That will give a decent sparkle as well, that is neither too flashy nor too subtle.