A diamond girdle can be defined as the widest part of a cut diamond and it plays a key role in enhancing the overall appeal of a ring. Take the case of a diamond 1-carat ring or any other diamonds; the role if girdle is really prominent. Additionally, it functions as the divider in a diamond. Note that the portion above the girdle is known as the crown and the portion below the girdle is known as the pavilion.
Other than this, the girdle of a gemstone is significant while measuring its proportions. Usually, the other parts of a gemstone are matched up with the girdle in terms of the size. This is to determine the perfection as well as the quality of the cut. An ideal cut must be proportional to girdle in order to offer maximum brilliance and fire. So, it is really crucial to evaluate the girdle of a gemstone before purchasing it.