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Aug 17, 2026 - 12:38 PM
Fire or play-of-color is the hallmark of black opal, referring to the vibrant flashes of color seen within the stone. The best black opals exhibit a strong, multi-colored play-of-color visible from multiple angles. However, some may prefer subtler or more uniform color patterns. The Black Opal Round Cut in Grade GEM | Chatham Lab Stone features a semi-translucent body with medium to high fire, showcasing beautiful blues, greens, and reds. With a variety of fire intensities available, customers can choose the level of brilliance that best fits their taste.
