An important group of jewelry and gemstone professionals were on hand in two cities to celebrate the unveiling of a new book about the rare and valuable gemstone, paraiba tourmaline. The book, ...

In 2016, jeweler Olivia Young of Ouroboros sold a red spinel ring for £6,000 ($7,700). Last year, the client’s insurance company paid out £30,000 ($38,400) to replace it. Experts say that this ...

In September a cushion-shaped 5.44-carat Paraiba tourmaline ring flew past its US$60,000 upper estimate in auction at Bonhams New York to sell for US$533,900. This is bidding territory more commonly ...

Roula Khalaf, Editor of the FT, selects her favourite stories in this weekly newsletter. Doris Hangartner invites readers of her coffee table book Gem Love Letters to open it randomly and be drawn to ...