In the television series, Stargate productions center on the premise of a “Stargate”, a circular device that creates a wormhole, enabling instantaneous transportation to another stargate located many light years away from the starting point. This is what it looks like as an engagement ring. Continue reading to see twenty-four more of the world’s geekiest engagement rings and wedding bands.

Engagement bands began in Ancient Egypt as the circle was used to symbolize a never ending cycle and the space in it as a gateway. Betrothal rings were used during Roman times, but were not generally revived in the Western world until the 13th century.

Roman men gave engagement rings that included a small key. Romantics believe that the carved key was a symbolic key to protect and cherish the husband’s heart. However, the key most likely stood for the unlocking of wealth.