Description This Natural Paraiba Passion Topaz Gemstone in Grade AAA, Displays a Vibrant Light to Medium Greenish Blue Color, with an excellent cut, symmetry and polish with a clarity grading of "Eye Clean Plus". Passion Topaz gemstones have been enhanced using a standard treatment called "vacuum deposition" where a coating of titanium is applied to the pavilion of the gem through the use of electricity. NOTE: Be sure to select the RIGHT gemstone/diamond by millimeter size only. Selecting your gemstone/diamond by carat weight is NOT ACCURATE. The best way to select the right size gemstone/diamond is to use our size chart image or consult with a local jeweler to measure your setting or gemstone.