The Blessing Of The Rings is spoken right before the ring exchange.
The officiant will ask God for a blessing on the rings and may also speak about the meaning of the rings and the vows of faithfulness that the ring represents.
For more information on the rings portion of the ceremony and for Blessings Of The Ring examples 1-7 please see Blessings Of The Wedding Rings - 7 Examples blog post.
More Examples For The Blessing Of The Rings:
Officiant: To the Best Man or Ringbearer: May we now have the rings?
The designated person gives the rings to the Officiant. Or in a smaller/simpler ceremony without a Best Man or Ringbearer the Officiant will already have the rings.
Officiant: From the earliest times, the circle has been a symbol of completeness, a symbol of committed love. An unbroken and never ending circle symbolizes a commitment of love that is also never ending. As often as either of you look at this symbol, I hope that you will be reminded of the commitment to love each other, which you have made today.
Officiant: To the Best Man or Ringbearer: May we now have the rings.
The designated person gives the rings to the Officiant.
Officiant: Dear Lord, bless these rings which ________ and ________ have set apart to be visible signs of the spiritual bond which unites their hearts. As they give and receive these rings, may they testify to the world of the covenant made between them on this day. Amen