An exquisite Belle Epoque diamond Lavalier necklace. Photo Christie's Image Ltd 2004

Designed as two pear-shaped diamond pendants, weighing approximately 7.59 and 8.01 carats, suspended by fine link chains to the single-cut diamond bar link, from the fine link necklace, mounted in platinum, circa 1915, 16 ins. Price Realized $309,900

With reports 13369989 and 13369993 dated 22 May and 30 April 2004 from the Gemological Institute of America stating that the diamonds weighing approximately 8.01 and 7.59 carats are F color, VS2 and SI2 clarity respectively

Christie's. MAGNIFICENT JEWELS, 12 October 2004, New York, Rockefeller Plaza. http://www.christies.com/