The product is a 0.70 carats natural Ethiopian opal marquise cabochon loose gemstone measuring 4x10x2 mm. This gemstone is translucent, multi-colored, and has an opalescence effect. It is cut to an excellent grade and is polished for a smooth finish. The gemstone is sourced from Ethiopia and not enhanced, making it a natural and authentic piece. This high-quality Ethiopian opal can be used in jewelry making, adding a unique and vibrant touch to any piece of jewelry.