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 ...

South Arlington resident Ricardo Buitrago brings an engineer's eye to the delicate work of gemstone cutting.

How the Russian businesswoman brought newness to the industry with a triangular diamond cut that now forms the basis of her jewelry house, Maya Gemstones.