Synthetic Yellow Sapphire AAA Quality Asscher Cut Available in 5MM -8MM Synthetic Yellow Sapphire are Hydrothermal yellow sapphires which are grown in a sealed environment at very high temperatures and pressures. when compared with natural yellow sapphire it is very difficult to distinguish as they have the same physical and chemical properties. Yellow Sapphire the September Birthstone. The lab-created yellow sapphire is better than natural sapphire in all aspects, they are more affordable than natural sapphire without compromising quality and are environment friendly as they are created in labs. The hardness score is 9 on the Mohs scale. Perfect For: Jewelers, Jewelry makers, Goldsmiths, Designers, Craftsmen, Collectors, or a gift for the special one. Each and every stone is unique and you will receive ones similar to the image shown. Gemstone Information Gemstone : Synthetic Yellow Sapphire Shape : Asscher Average Color : Yellow Average Quality : AAA Gemstone Dimensions : 5MM-18MM Number of Stones : 1 Treatment Method : Irradiated Stone Creation Method : Synthetic Origin : Unknown MinDimension : 5mm MaxDimension : 8 mm 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