Forget puny carats, the Millenium Sapphire weighs a hefty 28 pounds. It was discovered in Madagascar in 1995 and its group of owners decided to have it carved into a work of art. The gem now sports 134 carvings of various human achievements, artists, composers, scientists, leaders. Princess Cruises is naming its 116,000 ton Sapphire Princess in Seattle today, and displaying the Millenium Sapphire as part of the celebrations. It’ll be the first cruise ship to be christened in Seattle.