From 2 June through 2 December 2007, it was on display at the Royal Ontario Museum.
The Black Star of Queensland, the largest gem-quality star sapphire in the world, weighs 733 carats.
Queensland | Star Trek | Star Wars | Black Sea | University of Queensland | Star Trek: Deep Space Nine | Star Trek: Voyager | Star Trek: The Original Series | Black Forest | Star Trek: The Next Generation | Toronto Star | Black Sabbath | Bronze Star Medal | The Black Eyed Peas | black | Silver Star | Black | The Star-Spangled Banner | Red Star Belgrade | Gold Coast, Queensland | Queensland University of Technology | Black Death | The Black Keys | black metal | black-and-white | Jack Black | Cilla Black | star | White Star Line | Creature from the Black Lagoon |