In its green form, however, it's beautiful enough to be considered a rare gemstone. These samples are rarely found outside of Kimberley, South Africa, but more common versions can be found in ...

From Tanzanite to Benitoite, this article unveils the five rarest gemstones in the world that hold more than vibrant colors.

The Sotheby’s Magnificent Jewels sale achieved £23.5m this month, with rare gemstones and white diamonds in high demand ...