After 100 years of mystery, Austria’s lost imperial diamond resurfaces: How, where, and who revealed it

Europe’s legendary Florentine Diamond, lost for over a century, has resurfaced in a Canadian bank vault. Descendants of Austria’s Habsburg family revealed the 137-carat gem, tracing its journey from India to the Medici and then the imperial family. Hidden since 1953, its reappearance ends a long-standing mystery, though Austria hints at a claim.