Patek Philippe and G Collins & Sons

Pear-shaped aquamarine and diamond drop earrings, £9,000; aquamarine and diamond three-stone ring, £3,500; aquamarine and diamond dress ring, £30,500; Patek Philippe 4947G-010 annual calendar, 38mm in white gold with silvery dial, diamond bezel shiny peacock-blue alligator strap, price on application (01892 534018; www.gcollinsandsons.com)