Rough diamond sales declined by 25 percent in the last year, according a new study by Bain & Co.

Creative director Gherardo Felloni riffed on the house’s signature shoe buckle for Roger Vivier’s first jewelry line.

WWD unofficially tagged along as Arnault was guided through Tiffany’s historic store.

The jeweler hopes its new flagship location will appeal to a higher-end, international shopper.

Opening Friday, Tiffany’s men’s pop-up shop will occupy the first floor of what will be the jeweler’s temporary flagship location.

Barneys’ favorite jeweler Irene Neuwirth has quickly found a Manhattan retailer in time for the critical shopping season.

The edgy jewelry designer is gearing up for the 10th anniversary of her brand.

The public relations specialist has extensive experience in luxury jewelry.

At two weeks into its debut, the children’s accessories range is 90 percent sold out.

More than 400 stunning, highly crafted jewels are displayed at Milan’s Royal Palace.

The English actress most recently made a splash in November’s “Charlie’s Angels” reboot, her first lead role.

The jewels are available at the likes of Bergdorf Goodman and Net-a-porter, while the Italian designer’s first store is in Milan.

Cofounders Bella Neyman and JB Jones are using the week to bring awareness to two topics they are passionate about.

Sean Gilbertson talks about how Gemfields is working with governments in Zambia and Mozambique, what the company learned from human rights allegations and how to counteract the unsustainable nature of mining.

The designer, who elevated her collection to the heights of high jewelry, has recently opened a store in the heart of Rome.