100% solid 925 Sterling silver, white gold plated, oval natural stone is Opal. Color Enamel. It's an open ended ring, size adjustable. Free additional princess Polly. (Limited) Polly's waist has joint for movement. Super cool! I also selling same style charms. Adjustable Silver Enamel Open Ring, Adjustable Enamel Sterling Silver Ring As Gift, Adjustable Sterling Silver Enamel Ring Gift, Silver Enamel Open Ring, Silver Open Enamel Ring, Silver Oval Enamel Ring For Gift, Silver Oval Enamel Ring As A Gift, Silver Oval Enamel Ring Perfect As Gift, Silver Open Enamel Ring For Promise