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 ...

Every product on this page was chosen by a Harper's BAZAAR editor. We may earn commission on some of the items you choose to buy. If you're after a show-stopping stone, this diamond cut is known for ...

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, ...