Lab Created Alexandrite Elongated Cushion-Checker Cut shape AAA Quality from 6x4MM-12x10MM Alexandrite is the birthstone for the month of June. "Emerald by day, ruby by night,? alexandrite is well known for displaying one of the most remarkable color changes in the gem world ? green in sunlight and red in incandescent light. Gemstone Information Gemstone : Lab Created Alexandrite Shape : Elongated Cushion-Checker cut Average Color : Green change to purple Average Quality : AAA Gemstone Dimensions : 6x4MM-10x8 mm Number of Stones : 1 Treatment Method : Irradiated Stone Creation Method : Synthetic Origin : Unknown MinDimension : 6x4 mm MaxDimension : 12x10 mm Color Information Color : Green change to purple Other Information Accessory Type : Lab Created Alexandrite Product Type : Lab Created Alexandrite Gemstone Gender : Mens,Womens Material : Gemstone Weight Ranges for the Lab Created Alexandrite: 6x4mm-0.57 - 0.69 Cts 7x5mm -1.00 - 1.22Cts 8x6mm -1.62 - 1.98 Cts 9x7mm -2.49 - 3.04 Cts 10x8mm -3.50 - 4.28 Cts All the items will ship from the USA and are in stock. Please email or call us for special requests. We will try our best to accommodate We are a family-owned and operated business with over 40 years in the Diamonds and Jewelry business. We strive to provide quality and service. Please visit our Instagem.net store on Etsy for all your Jewelry requirements. https://www.etsy.com/shop/StudsGaloreAJ