This is a Beautiful, Premium Ouro Fino Rubellite Tourmaline Half Eternity Ring. 

This ring is Platinum over Fine Sterling Silver. TCW is 0.75ct and is made up of the following: 

0.75ct Tourmaline 3mm (7)

VERY Nice !!!! Exquisite  Rubellite Tourmalines AAAAA

Natural, earth mined gemstones.

New, never worn from a smoke & pet free home. Size 6