Ulfberht was like a Medieval luxury brand for swords—but unlike your Gucci purse, the swords were of such high quality they were almost … mystical. Dozens of these swords—made with metal so strong and ...

Established in 1931, the Gemological Institute of America (GIA) is the world’s foremost authority on diamonds, colored stones, and pearls. A public benefit, nonprofit institute, GIA is the leading ...