It is the yowah opal that takes centre stage in these earrings, embellished with tanzanite, rhodolite garnets and blue sapphires for a showstopping take on birthstones ... colour is drawn in morganite ...

In September a cushion-shaped 5.44-carat Paraiba tourmaline ring flew past its ... inspired by the palaces of the Silk Road, are stunning earrings and a necklace of electrifying turquoise Paraiba ...