This is a set of 3 black opals. They were photographed in natural light near a window, so please check the images. The sizes are approximately: 10 x 8 x 5mm, 10 x 8 x 4.3mm, and 10 x 8 x 5.5mm (width x height x thickness). They are new and unused, with no noticeable scratches or abrasions. However, as they are natural stones, there may be fine scratches or cracks. Please check the photos. If you are satisfied, please proceed with your purchase. Price reduced from 3600 to 1500. Thank you.