what are diamonds mainly used for
Uses of Diamonds. 1  One of the most common uses of diamonds is in jewelery. 2  Synthetic diamonds (man-made) are mainly used for industrial applications. 3  Other gemstones can be cut and polished by diamonds. 4  Precision cutting can be achieved by using diamonds. 5  Windows that cover the openings of lasers, x-rays and vacuum chambers have diamonds in them. 6  Diiamond is the hardest natural material found on earth. Here are some of the common uses of diamonds in the current world. Uses of Diamonds. 1  One of the most common uses of diamonds is in jewelery. 2  Many rings and necklaces have diamonds. 3  Well cut diamonds are very expensive because they make excellent jewelery.