Christie's claims the record for blue diamonds. It sold the Winston Blue (above left), a 13.2 carat flawless blue diamond, for $23.8 million, in May in Geneva. It also sold the Wittelsbach blue, in 2008 in London, for $24.3. The fact that they claim the record for the cheaper Winston blue diamond suggests that its specialists consider the Wittelsbach a deep grayish blue, and not a flawless blue—a demotion on a technicality similar to the the asterisk that baseball statisticians placed beside…

Christie's claims the record for blue diamonds. It sold the Winston Blue (above left), a 13.2 carat flawless blue diamond, for $23.8 million, in May in Geneva. It also sold the Wittelsbach blue, in 2008 in London, for $24.3. The fact that they claim the record for the cheaper Winston blue diamond suggests that its specialists consider the Wittelsbach a deep grayish blue, and not a flawless blue—a demotion on a technicality similar to the the asterisk that baseball statisticians placed beside…

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