This is an enthralling AAA Marquise Loose Lab Created Alexandrite measuring 6x3 mm. Minimum Gemstone Weight: 0.27-0.42 Carats. A 100% color change Alexandrite, changes color from green to purple. AAA Gemstones are Loop Clean Gemstones, with no visible Nicks, or inclusions. The color is even and consistent. These are amongst the best Quality Lab Created Alexandrite Gemstones. Color may vary from gemstone to gemstone very slightly.,GEMSTONE:Lab Created Alexandrite,SHAPE:Marquise,AVERAGE COLOR:Dark Green Change to Purple,AVERAGE QUALITY:AAA,MINIMUM CARAT TOTAL WEIGHT:0.27-0.42,GEMSTONE DIMENSIONS:6x3 mm,NUMBER OF STONES:1,COLOR:Green Change to Purple,ACCESSORY TYPE:Loose Lab Created Alexandrite,PRODUCT TYPE:Loose Lab Created Alexandrite,GENDER:Mens-Womens,MATERIAL:Gemstone,MINDIMENSION:3.00 mm,MAXDIMENSION:6.00 mm,STONE CREATION METHOD:Synthetic,TREATMENT METHOD:Treated