Diamonds Unearthed
In the final installment of this three-part series, Smithsonian diamond expert Jeffrey Post, curator of the National Gem and Mineral Collection, discusses the fascinating stories behind the Smithsonian's diamond collection
In the final installment of this three-part series, Smithsonian diamond expert Jeffrey Post, curator of the National Gem and Mineral Collection, discusses the fascinating stories behind the Smithsonian's diamond collection