Focus

diamonds

Tennis Ball-Sized Diamond Up for Auction, Could Net $70 Million

Tennis Ball-Sized Diamond Up for Auction, Could Net $70 Million

Scientists Have Discovered Q-Carbon, a New Phase

Scientists Have Discovered Q-Carbon, a New Phase

Is the Deep Earth Churning Out Tiny Diamonds?

Is the Deep Earth Churning Out Tiny Diamonds?

Scientist Creates Diamonds From Peanut Butter (Video)

Scientist Creates Diamonds From Peanut Butter (Video)

The Rise and Rise of Belgium’s Indian Diamond Dynasties

The Rise and Rise of Belgium’s Indian Diamond Dynasties

Return of the Million-Dollar Hairdo, Now Worth Half a Billion

Return of the Million-Dollar Hairdo, Now Worth Half a Billion

Engagement Rings: 10 of Hollywood’s Biggest Rocks

Engagement Rings: 10 of Hollywood’s Biggest Rocks