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 ...
Pomellato's striking Barocco necklace combines a large free-form Paraiba tourmaline centrepiece in ... washed-out blue-green colour and they usually have fewer inclusions." Brazilian and African ...