Two loose sapphires, five fancy colored diamonds and an important Verdura Maltese cuff were among the top lots of Bonhams December 4 New York auction. The top lot of the sale was an 11.87-carat ...

Every product on this page was chosen by a Harper's BAZAAR editor. We may earn commission on some of the items you choose to buy. Princess Diana's sapphire engagement ring made its way to Kate ...

Rubies are red, emeralds are green and sapphires are blue. This is what we all think of when we talk about coloured gemstones. But there is more to the sapphire than meets the eye. This jewel sprung ...

Forbes contributors publish independent expert analyses and insights. Carol Besler writes about luxury watches and jewelry The rainbow watch first surfaced in 2012 when Rolex set multi-colored ...