Sterling silver purple stone stack ring have a lovely addition to your stack ring set with this art deco style sterling silver ring with purple cubic zirconia and detail around the edge of the ring to give depth to your design these rings are best worn in a mix of 3 or more and with many celebrities such as nicole richie katy perry kate hudson ashley olsen and rihanna following the stack ring trend this year its a simple trend to play with treat yourself or give someone the ideal gift with