Ancient Byzantine marriage ring made between 600 and 700 AD. High karat gold (tested to approximately 21-22k) approximately a US size 5.5 (Octagonal faceted band is not perfectly round, a precise size is not possible). The round bezel features an engraving of Jesus Christ uniting a man and woman in holy matrimony. The inscription "Omonoia" translates to "Harmony" in Ancient Greek. This is the earliest known form of the engagement ring.  Photos included of marriage rings from Jeffrey Spier's "Byz Byzantine Style Signet Ring For Anniversary, Gold Rings With Historical Design As A Gift, Gold Rings With Historical Design For Gift, Byzantine Style Yellow Gold Jewelry For Anniversary, Gold Ring With Historical Design As Gift, Byzantine Engraved Round Ring For Anniversary, Yellow Gold Oval Byzantine Jewelry, Byzantine Yellow Gold Signet Ring For Anniversary, Gold Rings With Historical Design