The Covenant Ring jewelry contain several symbols that the Bible uses to refer to Jesus and to our covenant.
The cross is the symbol of the sacrifice of Jesus to pay the penalty of our sins. (Luke 14:27)

  The crown has always been the symbol of a king. Jesus is our King. (Matthew 27:11)


The dove is the symbol of the Holy Spirit, who live in those who believe in Jesus. (Matthew 3:16)

The Bible is an essential part of the Christian life. Through the Bible, God continues to reveal to us Himself, and His will for our lives. (Hebrews 4:12)
  The vine is a symbol of our unity with Jesus Christ with other believers. (John 15:5)