BE ADVISED: Due to multiple events in Exposition Park on Saturday, April 12, parking and traffic around the Natural History Museum will be impacted. Please plan your visit accordingly, and consider riding the Metro E (Expo) Line and exiting at USC/Expo station.

A Rare Journey: The Jonker Diamond

Mineral Sciences Curator Aaron Celestian talks about the spectacular rare gem featured in the current NHM exhibition, 100 Carats: Icons of the Gem World.

Rectangular-shaped clear gem with purple and green swirls behind it on a black background