Geneva, SWITZERLAND: A model displays a tiara from Lady Hesketh's collection from circa 1910 and composed of a series of sky-blue oval aquamarines set among diamonds at a preview 08 May 2007 in Geneva. The tiara is expected to fetch 75,000 to 125,000 Swiss francs (USD 60,000 to 100,000) at a Sotheby's auction next 17 May. AFP PHOTO / FABRICE COFFRINI (Photo credit should read FABRICE COFFRINI/AFP/Getty Images)
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