This Opal earring is with 6mm opal, with very good polish and plate with realy white gold with nickel & tarnish free. The opal is Synthetic Opal which produced in japan. it will be very shine when you take it. This earring will come with a jewelry pouch which creat a lovely packaged gift. Your feedback is our motivation to improve, if there is any issue with jewlery please contact with us directly. we will provide perfect service for you.we are looking forward to your 5 stars feedback.