Red diamonds lead the list as the most expensive diamonds in the world, valued at a staggering $1 million per carat. Found mostly in Sri Lanka and Tanzania, taaffeite is one of the rarest ...

Gemstones have been a topic of fascination to human beings for centuries, not just for their beauty, but also for how rare they are, what they symbolise, and that they are worth millions.

It is rare for new gemstones to be discovered ... of a new gemstone excites jewellers around the world, and in the past 10 years designers have become fascinated by the Paraiba, with Chopard ...