BE ADVISED: On Thursday, October 17 our museums will participate in a brief earthquake drill. Guests will hear an overhead announcement, but are not required to participate, nor will the building be evacuated. Please plan your visit accordingly or contact us at info@nhm.org or 213.763.DINO if you have any questions or would like to reschedule your visit.

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