Mysticdrop 3.65-4.65 Cts of AAA 10 mm Round Loose Swiss Blue Topaz (1 pc) Gemstone The loose round Swiss Blue Topaz is the finest AAA quality electric-blue colored gems measuring 10 mm. AAA Gemstones are Loop Clean Gemstones, with no visible Nicks, or inclusions. The color is even and consistent. These Gemstones are Amongst the best Quality Swiss Blue Topaz Gemstones. Color may vary from gemstone to gemstone very slightly. Design your own earrings. Blue Topaz is created by treated a colorless natural 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.