In fact, almost every couple exchanges fashionable diamonds rings these days in order to spruce up their engagement. However, the trend of simple diamond engagement rings is long gone. Instead, people are incorporating some surprise factors and meaningful symbols in their diamond rings. Note that a diamond infinity knot ring is one of the most popular options of its kind. After all, what will be better than an infinity knot to represent an everlasting love and commitment towards your partner? Unsurprisingly, there are numerous designs for this type of infinity diamond rings as well. For instance, consider a platinum band that is embellished by showcasing an infinity knot symbol at its center. In this design, one of the infinity knots is highlighted using tiny black diamond accents in order to offer an elegant appeal to the sparkler.  Another option for a diamond infinity knot ring features a heart-shaped diamond at the center of a 22k yellow gold ring. Here, the overall appeal of the ring is lifted up by using a diamond ring band that is decorated by means of diamond-encrusted infinity knot designs. For an affordable option for infinity diamond rings, you can also machine engrave the infinity knot patterns on a diamond ring band.