My Next Question Webinar

The Winston Red: GIA Examines the Smithsonian’s Newest Addition

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Supplier Spotlight Webinar

The Winston Red: GIA Examines the Smithsonian’s Newest AdditionRegister

WEDNESDAY, APR 23, 2025 2:00 PM (EASTERN)

Sponsored by
At 2.33 carats, the Winston Red diamond, now on display at the Smithsonian National Museum of Natural His­tory in Washington, DC, is the fifth-largest confirmed Fancy red diamond with a pure, unmodified red color. Fancy red diamonds are spectacularly rare, accounting for less than 0.05% of fancy-color diamonds examined by GIA. This talk will explore the rich history and science of this remarkable natural treasure, uncovering its likely geographic origin.
Webinar Guests
Ulrika D’Haenens-Johansson Senior Manager, Diamond Research, Gemological Institute of America
Webinar Host
Gemological Institute of America, GIA Nonprofit Institute, protects the gem and jewelry buying community.
GIA - Protecting consumers and supporting the global gem and jewelry trade since 1931 through research, education, and laboratory services.

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