[img=http://www.mnh.si.edu/exhibits/images/ruby/carmen_lucia_ruby_front.jpg]

[quote=Museum website]
The Smithsonian's National Museum of Natural History has received one of the world's largest and finest ruby gemstones. The spectacular 23.1-carat Burmese ruby, set in a platinum ring with diamonds, was donated by businessman and philanthropist Peter Buck in memory of his wife Carmen Lúcia.[/quote]