The product is a 6.15 Ct Ethiopian Composite Opal Cabochon in Cushion Shape, measuring 16x16x3 mm. This gemstone has a beautiful iridescent effect, making it a unique and eye-catching piece for jewelry and watch making. The gemstone is natural, treated with heat and pressure, and has excellent clarity grade and quality. Originating from Ethiopia and crafted in India, this bi-color/multicolor opal is a wholesale, handmade gemstone that is sure to add beauty to any piece of jewelry.