Emeralds, rubies and the likes are referred to as colored gemstones by experts. They sparkle and shine with varying intensity, depending on the cut. A new machine can achieve the best possible cut and ...

Cutting gives the stones a specific shape and enables the true colour and brilliance of the gem to emerge. Gemstones may come in a variety of shapes, such as pear, round, emerald, square, heart, oval ...

Opinions expressed by Digital Journal contributors are their own. Half a century ago, when bell-bottoms ruled fashion and disco dominated dance floors, somewhere in East Africa, Antony Zagoritis was ...