Photos: Rare Diamonds Make US Debut at LA Natural History Museum

Gems galore

The Gem and Mineral Hall of the Natural History Museum of Los Angeles County is famous around the world, offering a 6,000-square-foot permanent set of exhibition halls.

Exhibits of rarities

The Natural History Museum of Los Angeles County's Gem and Mineral Hall displays more than 2,000 specimens in two giant galleries. The entire collection of gems consists of upward of 150,000 items and is the largest in the western United States.