Cubic zirconia is a lab-created gemstone composed of zirconium dioxide. Gorgeous Square Princess Faceted AAA Rated Cubic Zirconia Stones With Top Cut & Polish. CZ is a durable material that can be cut and polished to resemble a diamond.
Lab Created Ruby Corundum Princess Faceted AAA Loose Gemstones (2x2mm – 12x12mm)
Gorgeous Square Princess Faceted Lab Created (Corundum) Pinkish Red Ruby. Once the lab ruby crystal has been grown, it can be cut and polished to the desired shape and size, just like a natural ruby.