Crystal Opal 7.62 carat Ethiopian is a rare gem that you deserve to wear. Crystal Opal 7.62cts Ethiopian gemstone is unique since it exists in multi-color variety. Its oval shape further adds to its well sort quality by many people as well as weighing 7.62 carats. Crystal Opal has a measurement of 18.12 x 13.02 x 7.09 mm hence perfect in creation of jewelry products.