Lab Created Alexandrite Half Moon Shape AAA Quality from 5x3MM-6x3.75MM 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 : Half Moon Average Color : Green change to purple Average Quality : AAA Gemstone Dimensions : 5x3MM-6x3.75MM Number of Stones : 1 Treatment Method : Irradiated Stone Creation Method : Synthetic Origin : Unknown MinDimension : 5x3 mm MaxDimension : 6x3.75 mm Weight Range: 5.0x3.0mm - 0.26Cts 5.5x3.5mm - 0.46Cts 6.0x3.75mm - 0.51Cts 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 https://www.etsy.com/shop/InstagemFindings