From old-world cuts to portrait stones, modern couples and celebrities are bringing timeless romance back to their fingers.

A late 19th-century diamond tiara, which converts to a necklace (€5,000-€7,000), is another exquisitely made piece. Adam’s is ...

"In a sea of wine bottles and powdery candles, this tinned-fish set brings a bit of originality to the stale holiday gift ...