18ct gold, South Sea pearl, white sapphire, diamond, yellow diamond and tourmaline 'Metropolitan' ring, Autore, modelled as an octagonal-shaped concave plaque centring a golden cultured pearl measuring 13.00 mm framed by pave-set brilliant-cut yellow diamonds between polished gold dividers to a fluted edge, the shoulders accented by a collet-set oval white sapphire framed by pave-set circular-cut Paraiba tourmaline and near colourless diamonds, the sapphire, tourmaline and diamonds together stated to weigh 0.33 carat, 0.81 carat and 3.09 carats respectively, size P, signed Autore. Accompanied by an Autore certificate of authenticity and pouch.