Auction World's most expensive ruby crowned at Sotheby’s record-breaking auction in Geneva
Auction French Crown Jewels set a new world record for natural pearls at Doyle New York
Auction Napoleon and Josephine's engagement ring sells for almost US$1 million
Auction Historical, sentimental engagement ring given by Napoleon to Josephine goes under the h...
Auction Bonhams' Jewels of Royal Provenance make £4million in sales in London
