Ethiopian black opals. The size is approximately width x height x thickness: 10.2 x 12.2 x 6.0 mm, 10.0 x 12.0 x 6.5 mm. Set of 2, 7.8ct total. New, unused, and without noticeable scratches or abrasions, but as with natural stones, there may be fine scratches or cracks. Please check the photos. If you are satisfied, please purchase. Reduced from 3200 to 1090. Thank you.