It was the disappearance of one piece in particular that caused consternation, however: a rare 50-carat blue diamond the size of an egg. Only about 1 in 10,000 diamonds has a distinct body colour ...

If you want to make this holiday season exceptional, jewelry is one gift idea that is always well-received. Luckily for you, ...

A 17.97-carat Burmese ruby ring, estimated to sell for $5.5M, will be a highlight at The Geneva Jewels Auction: Three on ...

This is because the two elements share similar weights and properties. "The diamonds can range from clear to very deep blue," Martoia said. "The more boron, the deeper the blue." She added that it ...