This May, Christie’s is presenting The World of Heidi Horten—the unparalleled jewellery collection of the late Mrs Heidi Horten. The glorious assemblage comprises over 700 jewels, a true embodiment of Mrs Horten’s timeless elegance, glamour and taste for collecting. The collection is of impeccable quality and breadth, showcasing the art of jewellery in all its splendour. With a pre-sale estimate of $150m – far higher than other jewellery auctions to hit the $100m mark, such...