New Ladies .66ct oval natural black Australian Opal & Diamond Platinum ring (size 6.75). Blue and Green natural black Opal enhanced by .33ctw of round brilliant cut Diamonds all in a Platinum setting. This ring comes with an appraisal from the NAGL laboratory (see link below) and has an appraised value of $3,450. CLICK HERE FOR THE APPRAISAL/COMPLETE DESCRIPTION. *Viewing and/or pickup of jewelry only M-F 8:30 to 4:00.