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Cubic zirconia are chemically comprised of zirconium oxide and yttrium oxide. Similar to natural stones, CZs vary in color, clarity and cut. First, oldest and most expensive one is Authentic Natural Diamond.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.