This is an AAA quality Loose Emerald cut measuring 11x9 mm. Approximate Gemstone Weight: 5.00-6.50 Carats.,GEMSTONE:Swiss Blue Topaz,SHAPE:Emerald,AVERAGE COLOR:Blue,AVERAGE QUALITY:AAA,MINIMUM CARAT TOTAL WEIGHT:5.00-6.50,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