The 10-carat Mediterranean Blue, which will go on sale in Geneva next month, is the showpiece of a collection estimated at ...

Alrosa, a Russian company, has unveiled its largest-ever 100-carat diamond. The company spent about two years cutting and polishing the diamond, named New Sun—a rare, vivid yellow diamond ...

"Included in the group are the largest flawless diamond in the world... the second largest red diamond known to exist and several diamonds over 100 carats," Sotheby's auction house said in a ...

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

A rare blue diamond valued at $20 million went on pre-auction display on Tuesday in Abu Dhabi, capital of the oil-rich United Arab Emirates. The 10-carat Mediterranean Blue, which will go on sale in ...

Diamond producer Rio Tinto announced the find earlier this week, describing it as one of the largest fancy colour yellow ...