When it comes to the gemstones, the one within the range of 1 to 3 carat weight is generally considered as big diamond rings. If your gemstone exceeds the 4 carat weight range, then it is considered extremely huge diamond rings, and is sure to turn head of every single person. If your soul mate gives priority to a bigger diamond ring, the best option will be to go for a seven carat diamond engagement ring. However, you must be very careful while choosing these gemstones as the flaws and other inclusions in the huge diamonds are easily visible even with the naked eyes. So, make sure to choose the best clarity grade and cut for your seven carat diamond engagement ring. The main benefit of choosing huge diamond rings is that it is comparatively easier to resize or upgrade these rings in future, unlike the smaller ones. It is to be noted that the best way to upgrade a huge diamond ring is by adding a halo setting or a three stone diamond ring setting to it. This will not only enhance the sparkle and size of the gemstone but also offer a vintage elegance to the ring.