Mysticdrop 8.30-11.07 Cts of AAA 13 mm Cushion Checker Board Loose Swiss Blue Topaz (1 pc) Gemstone The loose cushion-cut Swiss Blue Topaz is a fine AAA quality bright blue colored gem measuring 13 mm. AA quality Topaz are eye clean gemstones, with no visible nicks, or inclusions. The color is even and consistent. Blue topaz is created by treating a natural colorless topaz. 30 Day No questions asked Return Policy Free-Shipping within US Loose Swiss Blue Topaz All our diamond suppliers confirm that they comply with the Kimberley Process to ensure that their diamonds are conflict free.