The Summer Jewellery & Watches auction is one of our live sales offering antique and modern jewellery and watches.
Highlights include a 1960s Cartier ruby, emerald, pearl and diamond brooch, a Colombian emerald Boucheron ring, an unheated 42.30ct Ceylon sapphire and diamond ring, a collection of Ottoman Empire diamond jewellery, a natural pearl, ruby and diamond necklace; watches to include a Patek Philippe Nautilus, a Jaeger-LeCoutre Master Control Tourbillon, a Patek Philippe Gondolo and a Cartier Pasha diamond watch.