GENEVA (Reuters) - London luxury jeweler Laurence Graff has paid a record 8.2 million Swiss francs ($8.6 million) for a Burmese ruby, the top lot at a Geneva auction marked by strong prices for fine ...
Royal pearl necklace, 'Graff Ruby' to go under the hammer Sotheby's will be offering several jewels from the Dimitri Mavrommatis collection on auction, including precious stones and avant-garde ...
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