This is because of the ultimate quality a platinum ring boasts such as the luster, durability, hardness, hypoallergenic nature, etc. Some of the trendy platinum diamond engagement rings for women are given below. Solitaire Diamond Ring This is one of the timeless designs featured in platinum diamond engagement rings for women. Here, a round brilliant solitaire of respectable size is flaunted at the center of a platinum ring by means of a prong setting. In this design, the diamond ring band and other settings are kept simple in order to draw the attention of a person directly towards the center stone. Tension Diamond Ring A tension ring is one of the stylish options when it is about diamond rings for women. Here, a round brilliant cut diamond of medium size is flaunted at the center of a platinum ring by means of the tensile force exerted by the diamond ring band from either side. Platinum Black Diamond Ring In this design, a black diamond of decent size is prong set at the center of a platinum ring. Additionally, the main gemstone is surrounded by melee diamonds in order to highlight it better. Here, the diamond ring band is also paved with accent stones.