Sterling Silver Designer Mosaic Opal Earrings

One earring is missing some of the Opal along the edge which can be seen best in the earring on the left in the first photo.   Michele Alba sterling silver Australian file Opal mosaic earrings are hallmarked.  They measure 1 1/4 inches long from the top of the ear wire, by 5/8 inch wide and they weigh 6.7 grams.