Calibrated opal cabochons are expertly cut for uniformity, available in various shapes like round, pear, cushion, long cushion, drop, and marquise. These smooth, polished opals display a mesmerizing play-of-color, making them ideal for rings, earrings, and pendants. Available in bulk and wholesale, they are perfect for both custom jewelry makers and large-scale designers. Choose Kanchan Global for high-quality Ethiopian opals.