Grade AAA Quality presents a beautiful tool sky blue shade. With a superb cut, symmetry and also gloss with a clearness grading of "Eye Clean Plus". Blue Topaz gemstone has actually been boosted using a conventional radiation therapy that is in complete conformity with the USNRC requirements. KEEP IN MIND: Be sure to select the RIGHT gemstone/diamond by millimeter dimension just. Picking your gemstone/diamond by carat weight is NOT ACCURATE. The best means to choose the appropriate dimension gemstone/diamond is to utilize our dimension chart picture or talk to a neighborhood jewelry expert to determine your setup or gemstone. Measurements: 8.00 x 5.00 mm Carats: 1.71 Shape: Briolette Clarity: Eye Clean Make: Very Good Symmetry: Very Good Treatment: Enhanced Identification: Dealer