How much is a black cubic zirconia worth. Even though black cubic zirconia can look like more expensive stones at a fraction of the cost, its main value comes from how cheap it is and how many different ways it can be used to make jewelry. It can cost between $5 to $10 per carat. Moissanite is made of silicon carbide, whereas cubic zirconia is made of zirconium dioxide. Moissanite diamonds are generally harder at 9.5 on a 10 point scale, whereas cubic zirconia is 8.5 on the hardness scale. Moissanite is considerably more expensive at $400 per carat, whereas Cubic zirconia carats retail for around $30. How To Make Cubic Zirconia Shine Like A Diamond Preparing to Clean the Cubic Zirconia. Start by collecting the right tools. A mild, non-abrasive detergent, a Cleaning with Warm Water and Liquid Soap. Prepare a cleaning solution by mixing warm water with a few drops of mild, Polishing with a Diamond vs. Cubic Zirconia: Diamonds Price. Cubic zirconia simulants are much, much cheaper than mined diamond. For example, a flawless 1 carat round colorless diamond graded D costs around $12,000 whereas a 1 carat cubic zirconia is only worth $20. As the carat size increases the cost difference between cubic zirconia and diamond grows even I’m showing you how I baked this cubic zirconia ring to make it sparkle more. I love the results and definitely think this added depth and sparkle. It’s supe Average Lifespan of Cubic Zirconia. The average lifespan of cubic zirconia is between 3 to 5 years. While CZ is known to be tough, rating at 8.5 on the Mohs hardness scale, and resistant to scratches, it is a softer material than diamond, so regular cleaning and maintenance is recommended for optimal performance. Definition of Cubic Zirconia. Cubic zirconia (CZ) is a synthetic gemstone that closely resembles a diamond in appearance. It is made from zirconium dioxide, a crystalline form of zirconium. CZ is created in laboratories through a process called the Verneuil method, where powdered ingredients are melted and then cooled to form crystals. It is incredibly difficult to scratch a diamond. Moissanite has the closest hardness to a diamond, sitting at a 9.25. It's even closer than the hardness of gems like sapphire and ruby, which both sit at a 9 on the Mohs scale. Just for reference, gems like the topaz sit slightly lower on the scale, precisely at 8. Stone polishing typically ranges from $35 to $55, depending on the work required. Re-faceting work may cause an increase in the price, and the larger or more fragile the stone, the more expensive the job. It can take up to a week or so in order for the lapidary to finish the job. It's important to keep in mind that while stone polishing What is cubic zirconia? Cubic zirconia (CZ) is a clear sparkly crystal made in the lab from zirconium dioxide (ZrO2). It has a cubic crystalline form similar to diamonds. Jewelers can cut it into different gemstone shapes, such as oval, princess, round, pear, and cushion. mIK5q.