Ethiopian Black Opal weighing 0.9 carats and measuring 9.5x7mm set in a Sterling silver setting and Fine silver size 8.5 ring band. This faceted Opal has flash of red, yellow, blue, and green that move as the light hits the stone. Opals are more delicate than most gemstones, but this one is set inside the setting so it sits very low in the setting protecting it from accidental bumps and damage making it ideal for everyday wear.