A blue diamond weighing nearly 10 carats has sold at auction in Switzerland for 20.5 million Swiss francs ($26.6 million) including fees.
'Mellon Blue' diamond sells for US$26.6M at Swiss auction
CTV News 2 hrs ago
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CTV News 2 hrs ago
A blue diamond weighing nearly 10 carats has sold at auction in Switzerland for 20.5 million Swiss francs ($26.6 million) including fees.