One can find an eternity ring in virtually any precious metal bands, but the popular ones include platinum and white gold. In fact, the latter has a silvery look that makes it inarguably the most timeless choice out of yellow and rose gold. Rose or yellow gold is ideal if your skin tone is golden or peachy or the skin undertone is warm, whereas platinum or white gold looks gorgeous when worn on reddish or pinkish skin tones or cool undertone. So, you can choose diamond eternity rings white gold if your skin undertone is cool and opt for platinum if it is warm. People seldom consider the kind of effect the colorlessness of a white metal band can have on the ring’s most important aspect, which is the center stone or centerpiece diamond. Diamonds often features tints of gray, brown, or yellow, and are close to being colorless. It is also a highly reflective gemstone. When light enters a diamond it reflects or bounces off the facets, if it is there, and reflects on the encircling metal band. So, choose the metal band of diamond eternity rings accordingly or in a way its color will not conflict with the brilliance of the gemstone. If the metal band is colorless, then so be it. After all, you would not want a yellow gold band to impart a yellowish on a diamond; a white metal band will make it look more colorless and true to its characteristics when light enters and reflects.