A 3,563-carat Purple Star Sapphire, dubbed the Star of Pure Land and the largest of its kind, has been unveiled in Colombo, ...

The Earth is full of so many valuable minerals that can suffice for all the needs of human beings. But imagine what it would be like to discover something so rare that only one specimen is known to ...

Long before they’re polished and set in gold, the world’s greatest gems sleep beneath mountains, rivers, and deserts. Their origins are as captivating as their glow: volcanic depths, ocean floors, and ...