Some of the best Tiffany’s treasures never reach the stores. These one-of-a-kind jewels and rare gems are reserved for VIP clients, who are invited to private previews of the house’s Blue Book ...

Tiffany & Co. is asserting its expertise in high jewelry by revealing its most expensive piece ever. The World’s Fair Necklace was unveiled Sunday at a Tiffany event in Dubai, United Arab Emirates, ...

Gem-set hoodie tassels? A magnetic jeweled pocket that doubles as a cuff? A carabiner dripping in precious stones? If such adornments don’t sound like haute joaillerie, get ready for the new French ...