The cross is the oldest symbol in the world. The first cross found that resembles the one we now know, was found in Africa around 1700 years before the birth of Christ.
Tradition maintains that the upper arm and two side arms are of equal length.
The bottom arm is twice as long as the other three. Tradition maintains that this was the dimensions of the cross that Jesus was crucified on. This is the one you see most brides wear. The cross with two wedding rings for complete symbolism with their vows. The white inner cross is round and channel set between yellow gold squared cross.