Although it can make two separate rings, they can also be conjoined, and worn as one ring. When separated, one can see the secret message on the inside of each ring. On the diamond ring is “QUOD DEUS CONIUNXIT.” On the ruby ring is “HOMO NON SEPARET.” Translated from Latin, it means “Whom God has joined together, let no man tear asunder.“
Such conjoined rings, called gimmel rings, were popular in the 1600s in Europe. This particular example is from 1631 in Germany. Traditionally, the members of a newly betrothed couple would receive one hoop each. At the wedding ceremony, the two rings would be joined.
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