The largest diamond discovered in a century went on auction this week. It's as big as a tennis ball, and the highest bid for it went up to $61 million. That wasn't high enough for the sellers. The ...

Diamonds are treasured around the world for their beauty and sparkle. Although the gemstone and jewelry industries market them to symbolize enduring love, they’re also a scientific wonder. Natural ...

Diamonds are generally considered a luxury asset that holds its value, but the emergence of laboratory-grown diamonds in the jewellery industry over recent years could challenge that belief.

While the stolen jewelry is worth $102 million, the thieves left behind the 140-carat Regent Diamond worth an estimated $60 million. French royals and rulers wore the Regent Diamond throughout the ...

For decades, couples were told to value a certain kind of rarity. The jewelry designer Kindred Lubeck, with the help of her ...