Crystal Opal 4.92 carat Ethiopian is a rare gem that you deserve to wear. Crystal Opal 4.92cts 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 4.92 carats. Crystal Opal has a measurement of 15.27 x 11.63 x 5.43 mm hence perfect in creation of jewelry products.