Although cavemen may have given their shiniest rock to the cavelady they'd just bashed over the head and dragged home to claim as their own, the first record of the giving of a physical symbol of betrothal is in Ancient Egypt, around 2000BC. Circles were used in the time of Tut to symbolise the eternal cycle of life, while the space inside it represented gateways. (And quite possibly ladies' front-bottoms too.) This idea spread across the Mediterranean, with rings also given in Ancient Greece an...
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