The historical uses for Sardonyx and Onyx consists of a long history of use for hardstone carving and jewelry, where it is usually cut as a cabochon or into beads. It has also been used for intaglio and hardstone cameo engraved gems, where the bands make the image contrast with the ground. Some onyx is […]
Tag Archives: Austria
The Wittelsbach Diamond
“Every diamond is a story as old as the earth and will outlast us all.” The Wittelsbach Diamond is no different – and its tale is a captivating one. It’s not just a remarkable gemstone because of its size, flawless clarity or stunning color, either. The 31.06-carat blue diamond boasts an ultra-rare blue hue, making […]