Moissanite
As an alternative to diamond, Mossanite has many advantages, such as its
availability without mining, optical properties far superior to diamond, low
price, conductive properties similar to diamond, and Mossanite hardness of
9.25-9.5, second only to diamond 10, etc. Mossanite is widely used in jewelry in
many developed countries and has been accepted as an environmentally friendly
lab-grown gem.