NEW YORK – Last night’s Magnificent Jewels auction in New York combined exceptional stones with historic designs and provenance, including pieces from Queen Nazli of Egypt and the Bergreen Estate. Realising $52.3 million, the evening brought Sotheby’s jewellery worldwide annual total to $571 million. With six of the eight top lots featuring fantastically large stones, the final Sotheby’s jewellery auction of 2015 confirmed that “big rocks” are truly important parts of any collection.