cubic zirconia grades

Written on October 27, 2009 – 8:18 pm | by homediggs |

When shopping for wholesale cubic zirconia or synthetic gemstones, be sure to only buy top quality stones. Ask for samples to check for quality in the following areas: cut, smoothness, hardness (cubic zirconia ranking 8.5 on Moh’s Scale of Hardness), and weight. Find a reputable gemologist to help if you’re not sure how to check [...]