An ancient late Roman or Byzantine faceted carnelian beaded necklace. Carnelian, a semi-precious gemstone, was highly regarded in ancient times for its rich, translucent red to orange-red hues, and it was commonly used in jewelry. Faceted carnelian beads not only showcase the natural beauty of the stone but also reflect the meticulous craftsmanship of ancient artisans. The late Roman and Byzantine eras were known for their rich and complex artistic traditions, and jewelry from this time often combined intricate design with symbolic significance. Ancient Roman Necklaces And Jewelry Collectibles.