This is an AAA quality Loose Oval cut measuring 11x9 mm. Approximate Gemstone Weight: 3.60-4.53 Carats.,GEMSTONE:Swiss Blue Topaz,SHAPE:Oval,AVERAGE COLOR:Blue,AVERAGE QUALITY:AAA,MINIMUM CARAT TOTAL WEIGHT:3.60-4.53,GEMSTONE DIMENSIONS:11x9 mm,NUMBER OF STONES:1,COLOR:Blue,TREATMENT METHOD:Irradiated,ORIGIN:Unknown,MINDIMENSION:9.00 mm,MAXDIMENSION:11.00 mm,ACCESSORY TYPE:Loose Swiss Blue Topaz,PRODUCT TYPE:Loose Swiss Blue Topaz Gemstone,GENDER:Mens-Womens,MATERIAL:GemstoneMysticdrop