There are many crucial things to avoid while purchasing diamond engagement rings sets, especially if you are planning to pop the question as a surprise. An engagement diamond ring must be a perfect symbol of the true love and commitment that a couple shares. So, you must choose a timeless sparkler rather than blindly following the trend. For this, you must do a bit of research on the various types of diamond rings and figure out which one will be best suited for your fiancée. Besides, do not forget to consider her desires while picking the ring as well, as she may have to wear this ring for the rest of her life. Do not fall for the 4 C’s alone that most of the diamond jewelers cling on to while selling diamond rings. Make sure that the engagement diamond ring you choose showcase maximum sparkle and elegance. Of course, nobody is going to look at your diamond using a magnifier and loupe in order to determine its qualities or inclusions. However, make sure that you get a GIA certificate for your sparkler in order to ensure its quality