The CEO of Russia’s largest diamond mining company, Alrosa, has warned that the diamond industry faces a ‘deep crisis’ as prices fall for a second consecutive year. Alrosa has confirmed it may suspend ...

These four stones were said to have endowed the king with power over all creation. Its color reflects new spring growth, which makes it the perfect choice of a birthstone for the month of May. It’s ...

Garnets can even exhibit the color-change phenomenon similar to the rare gemstone alexandrite. All garnets have essentially the same crystal structure, but they vary in chemical composition. There are ...