Buying readymade diamond engagement rings will be a better option if you are on a tight budget. Bypass diamond ring will be a good choice for people who are looking for unusual diamond rings designs. A bypass diamond ring is known for its unique and appealing band design; the band of a bypass ring tends to overlap at a point and cross over each other rather than uniting at the center. On a related note, the trend of choosing bypass diamond rings for engagement is dated back to the Victorian Era. Another option for unusual diamond rings designs is a gypsy diamond ring. These types of diamonds are mainly used as men’s diamond engagement rings. Here, a thick and wide metal band will be embellished with diamond accents. Unlike other diamond ring settings, the gemstones are hammered into the metal setting in this case. Nowadays, women also prefer to wear this type of rings for their engagement in order to stand out from the rest of the crowd.