the warding wedding band

Description:       A gold ring with two green crystallite stones embedded in it. The stones are set as a pair, signifying duality (such as man and woman etc.) and therefore protection . 

Details:               A magical, 17th century Egyptian ring that is able to protect its wearer against magical attacks from spells, curses and evil spirits.  It was a wedding ring worn by none other than Victor Bennett, the estranged father of the Charmed Ones. The ring was able to protect Victor during a powerful spell that his daughters had cast to vanquish a trio of shapeshifters. 

Episode:            S1E3  "Thank You For Not Morphing"