Sancy Hope diamond. The Sancy was in the collection of Vasiliy Rudanovsky until 1828 when purchased by Prince Demidoff for £80,000. It remained in the Demidov family collection until 1865 when sold to Sir Jamsetjee Jeejeebhoy, an Indian prince, for £100,000. He sold it only a year later, creating another gap in its history. It reappeared in 1867, displayed at the Paris Exposition, carrying a price tag of one million francs; the gem then vanished again for forty years. The Sancy next surfaced in 1906 when bought by William Waldorf Astor, 1st Viscount Astor, from famous Russian collector A.K.Rudanovsky. The prominent
A. Lange & Söhne Söhne 1815 "Homage to Walter Lange", made in stainless steel, was sold for US$852,525 in Phillips' Geneva auction on May 12th, 2018. As of November 2018, this is the highest price record for Lange timepieces sold at auction. In general, Lange 1815 is a family of wristwatches that pays a tribute to the legacy of Ferdinand Adolph Lange, who was born in the year 1815 and founded the company in 1845. The Lange 1 is one of the first watch models introduced after A. Lange & Söhne trademark was re-established in 1990s. In fact, it is a family of watches