Rubies and sapphires of exceptional provenance and signed jewels were among the top lots at Bonhams New York Fine Jewelry sale on Tuesday. This is to be expected at a Bonhams sale, as the auction ...

Stars like Kate Middleton, Scarlett Johansson, and Elizabeth Olsen all wear stunning colored-stone engagement rings. Below, ...

The British royal family is known for its trove of historic jewels, from ruby sets believed to guard against misfortune to emeralds won in a 19th century raffle. Among the crowns, parures, and ...

Until recently, only emerald, ruby and sapphire were officially called precious gems. Everything else was called semi-precious. The precious categorization is a reference to value: a really fine ruby, ...