A historic blue diamond once worn by Indian royalty is expected to fetch between $35m and $50m when it goes under the hammer in May. The 23.24-carat gem, known as the Golconda Blue, is set to lead ...

Its latest Blue Book is a love letter to the ocean. Witness the artistry in its "Sea of Wonder" collection.

Chief artistic officer of jewelry and high jewelry Nathalie Verdeille's latest high jewelry collection themed around marine ...