These earrings are a plus for any woman & young lady. The rose gold complements the opal so nicely, the post's are long and the backs are very small but durable. My pair came in promptly with case and receipt document for authenticity. Now on my pair the blue opal is very vibrant almost like a cobalt blue  the one's shown here are more like a baby blue, but my pair stands out elegantly and dramatically with my dark curly hair I love them! I highly recommend these they are good quality and the price no one can beat. its a win win I find .