Lab created stones, also known as cultured stones, are created in a laboratory setting using advanced technologies that mimic the natural processes that occur in the earth's crust. These stones have the same chemical and physical properties as their natural counterparts but are usually more affordable and environmentally friendly to produce. They are popular in jewelry making and are commonly used as alternatives to natural gemstones. Despite their origin, lab created stones can still be of high quality and are a great option for those who want the look and feel of natural stones without breaking the bank.

Lab Created (Corundum) Alexandrite Rough for Faceting

Chemical composition : Al2O3
Crystal Structure : Triagonal
Thermal properties: Melting point 2046°C 
Purity : 99.99% 
Refractive Index : 1.717 
Density : 3.98-4.1 g/cm3 
Hardness Mohs : 9