Welcome Day | 100 Carats: Icons of the Gem World

Join us for the opening weekend of our newest exhibition, 100 Carats: Icons of the Gem World, an extraordinary display of incredible gems from around the world in NHM’s Gem and Mineral Hall vault. Be among the first to view the centerpiece jewel, the Jonker I Diamond, which has not been on public view for decades, as well other iconic and rarely seen gemstones. Learn how gems can reveal the history of our planet, see up close how a mineral is transformed into a gem, enjoy hands-on activities, and more!