Geneva--Sotheby’s anticipates that the 8.62-carat pigeon’s blood “Graff ruby,” one of the finest privately owned rubies in the world, will sell for as much as $9 million at its auction in Geneva next month.
Geneva--Sotheby’s anticipates that the 8.62-carat pigeon’s blood “Graff ruby,” one of the finest privately owned rubies in the world, will sell for as much as $9 million at its auction in Geneva next month.
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