Gemstones have been a topic of fascination to human beings for centuries, not just for their beauty, but also for how rare ...

a completely flawless gemstone, set a record in 2017 as the most expensive diamond ever sold at auction, selling for a whopping $71.2 million at a Sotheby's auction. The vividly pink diamond ...

A rare diamond exhibit in Abu Dhabi, United Arab Emirates, featured a special blue diamond, with the exhibit's worth totaling ...

From sparkling multi-million-dollar diamonds to custom designs, here are the most expensive diamond rings in the world that redefines luxury.

IN A TWIST of geological poetry, Rio Tinto’s Diavik Diamond Mine in Canada’s remote Northwest Territories has delivered one ...

Laid out like an orchestra in a quiet gallery room, 40 colorful gems have one of the planet’s most distinguished conductors: ...

A rare 3.5-kilogram amber gem used as a doorstop in Romania for decades is now valued at $1 million and displayed as a ...

Sotheby's Head of Jewelry for the Americas & EMEA Quig Bruning said: 'The Mediterranean Blue represents one of nature's rarest gems. Any vivid blue diamond is a discovery worth celebrating ...

Narrator: High-quality black opal can cost over $10,000 per carat, making it one of the world's most expensive gemstones ... inside it that you've never, ever seen before. Narrator: Opal is ...