A tradition dating back centuries survives in Portugal as artists and companies fill private and public commissions for the celebrated designs.

The jeweler who made the piece, Jacob & Co., used a tourbillon and plenty of diamonds.

The industry term for such fanciful timepieces is form watches, and their origin story stretches back at least 500 years.

Iterations of the bracelet that coils itself around the wearer’s wrist have turned the popular motif into the Italian jewelry house’s best seller.

In a new effort to diversify, the world’s largest jewelry company by volume introduces designs with lab-grown diamonds.

Harakh Mehta created a three-piece, 150-carat diamond set to celebrate the store’s big anniversary.