In connection with the recent discussions among some manufacturers of laboratory created opals and industry-related magazines, about how to find out the difference between a synthetic opal, and an imitation. We’ve decided to place to provide a link to a 10-year old document that certifies our synthetic opal, produced in the city of Alexandrov. We apologize for the bad quality of the document. We received it from the manufacturer of our synthetic opal many years ago.

Please click on this image to enlarge the document size.