3.41-4.50 Cts of 10 mm AA Trillion Cut Mystic Green Topaz ( 1 pc ) Loose Gemstone The loose trillion-cut Mystic Topaz is a fine AA quality dark reddish-green colored gem measuring 10 mm. AA quality gems are eye clean gemstones, with no visible nicks, or inclusions. The color is even and consistent. These gemstones are considered very good in quality. Mystic Topaz is created by coating a real colorless topaz to get a rainbow effect. The coating is permanent. 30 Day No questions asked Return Policy Free-Shipping within US Loose Mystic Green Topaz