NET
21 And the twelve gates are twelve pearls—each one of the gates is made from just one pearl! The main street of the city is pure gold, like transparent glass.
Darby
21 And the twelve gates, twelve pearls; each one of the gates, respectively, was of one pearl; and the street of the city pure gold, as transparent glass.
KJV
21 And the twelve gates [were] twelve pearls; every several gate was of one pearl: and the street of the city [was] pure gold, as it were transparent glass.