This is a Beautiful, Australian White Opal  / Rhodolite Garnet / Moissanite Ring. 

This ring is Platinum over Fine Sterling Silver and is made up of the following: 

0.71ct Opal 8x6mm 

0.65ct Rhodolite 2mm

0.40ct Moissanite 2mm

Natural, earth mined gemstones. Moissanite are Man Made

New, never worn from a smoke & pet free home. Size 7

White opals have little to no color play. Opaque white