22k vintage 1914 Indian Head gold coin in a 10k yellow gold ring weight 16.7. Beautiful CZ stones cubic zirconia. Cubic zirconia is also a synthetically created stone, but its crystal structure and chemical composition are completely different. While lab-grown diamonds consist of carbon, cubic zirconia, also known as CZ, is the cubic crystalline form of zirconium dioxide and contains zero carbon. CZ is not a diamond, but it is one of the most popular gems used as a diamond… Continue Reading ››
22k vintage indian head gold coin in a 10k yellow gold ring weight 18.1. Beautiful cz stones cubic zirconia. Cubic zirconia is also a synthetically created stone, but its crystal structure and chemical composition are completely different. While lab-grown diamonds consist of carbon, cubic zirconia, also known as CZ, is the cubic crystalline form of zirconium dioxide and contains zero carbon. CZ is not a diamond, but it is one of the most popular gems used as a diamond simulant… Continue Reading ››