【Cubic Zirconia】Cubic zirconia is very hard,D color and VVS10 clarity make it shine more brightly close to natural diamonds, and has good abrasion resistance, making it less susceptible to scratches from daily wear and tear.Our cutting processes maximize the reflective brightness of cubic zirconia,It is birefringent .which gives it a very strong fire color and enables it to display an extremely sparkling light.