Pink topaz and diamond bracelet © Sotheby's This very fine pink topaz and diamond bracelet sold for 181,000 Swiss francs ($172,442). It was made around 1830. It is from the Estate of Henriette de l'Espine, S.A.S. la Princesse Louis de Croÿ.

Diamond Devant De Corsage © Sotheby's This piece, signed by Vever, circa 1900, has remained in the same family collection for a century and is one of the most important pieces of French Belle Époque jewelry to come to the market in many years. It sold...

Diamond Devant De Corsage © Sotheby’s The design of this mid-19th century brooch was inspired by nature. It sold for 75,400 Swiss francs ($71,835). It is from the estate of Henriette de l'Espine, S.A.S. la Princesse Louis de Croÿ.