The widest part of the diamond structure is actually called The Girdle. The girdle, the outer edge of a diamond, plays an important role in both its structural integrity and visual appeal. A well cut girdle ensures the durability of the diamond. Additionally, the width of the girdle affects the overall appearance and shape of the diamond. For more information on diamond girdles and to find exquisitely cut girdles set with brilliant diamonds, visit our online store. https://shivshambu.net/pages/diamond-girdle