Australian Opal Sterling Silver Ring Size 8.75 Grade AA Australian natural triplet Opal shows Red,Blue,Green, Little Orange,and Little Yellow stone measures 12x10MM Oval Australian Opal Quartz capped so you don't have to worry about it getting scratch or cracking ring size 8.75 can be re-sized to 9, 9.25, or 9.5 for free I have wet sanded all the imperfections on the ring and then polished to a high shine.