this is an Avon Ring, costume and nickle free (won't make ya green) it's called Moon ShimmerRing Faux opalescent stones in silvertone setting (from avon's site) hope this helps you all! prettier in person too
yes put more pics of it im new at this lol but let me see what i can do .All i really can tell you is that i wore it several times it never truned my finger green .And as far as the blue thing i have no idea. costum jewelery that i know for a fact.