Stephanie wears: Khaite top, £860. Matilde Leonis Bangle, £1,750. Chanel Bouton de Camélia earrings, £22,500. Giorgio Armani ring, £1,950. Bucherer Fine Jewellery Soirée necklace, £67,100; Soirée ring, £16,700. Dave wears: Fendi blazer and shirt, POA. Chaumet Torsade de Chaumet brooch, £26,600. Audemars Piguet Royal Oak Jumbo watch, POA.