It will be flanked with accent stones of similar, smaller, or bigger size on each side. Here, the gemstones will be secured by means of either a prong setting or a bezel setting. The unique design will create an appeal of a huge solitaire at the center of a ring when viewed from a distance.   In case you prefer to highlight your main gemstone, you can also consider colored diamonds or other gemstones for your accent stones. The three stones in the 3 stone diamond ring designs usually stand for past, present, and future of the couple. Hence, people often opt for a design in which the center diamond that stands for their presence is bigger or more highlighted. In some translations, the three stones symbolize characteristics such as love, friendship, and fidelity. In this case, gemstones of similar size and shape are displayed at the center of a ring. This kind of diamond wedding rings is known as trilogy diamond rings or trinity diamond rings.