Gem engraving is an art form in which designs are cut into the surface of the gem. Intaglios, gemstones with an incised design below the surface of the gem were made as early as the fourth and third millennia B.C. in Mesopotamia and the Aegean. During the Greek and Roman period, the expressive and aesthetic language of gem engraving thrived, with classic artisans carrying engraving to an artistic level higher than ever seen before, borrowing their diverse themes from epic poetry and famous legends of gods and heroes. Intaglios created from colored glass, which have an exquisite appearance of ancient gemstone intaglios, date to the eighteenth century when the Duke of Orleans employed the chemist Homberg to make glass intaglio reproduction from ancient gemstone intaglios in his own and the royal collections. The work of Homberg acted as an incentive to other persons and the knowledge of his procedure soon spread to foreign countries. The famed Scottish artist James Tassie, after settling in London, became one such engraver who created an extraordinary array of glass intaglios for a number of members of European royalty, including Empress Catherine of Russia. This beautiful glass seal created by Tassie himself depicts a royal crest. A lion, wearing a crown, and a unicorn both stand on their hind legs to either side of the central emblem. A banner waves below containing the French motto, “DIEU ET MON DROIT.” This crest is likely the seal of a royal family, declaring their divine right to rule. Carved on a beautiful sea blue glass and set in a gold ring, this seal seems to uphold its royal elegance. The wearer of the exquisite ring would surely embody the graceful elegance emanating from the seal, both physically and spiritually.