The solitaire diamond ring is a classic. It has been popular for many years past and is sure to remain a favorite for many years to come. The solitaire diamond ring is quite popular as a wedding ring, but it can be worn for other reasons as well, including as a promise ring or purity ring. Fedine.net Jewelers has a very large selection of diamond solitaires, so you're sure to find the perfect ring to suite your taste.