Main use: jewelry inlay, jewelry DIYDispersion: The dispersion of cubic zirconia is 0.060, which is higher than diamond's 0.044.Therefore, cubic zirconia is more brilliant than diamonds.Hardness: Cubic Zirconia Mohs 8.5, Diamond 10Defects: cubic zirconia is basically flawless inside and outside the market,Natural diamonds are rarely flawless inside and outRefractive index: The refractive index of cubic zirconia is 2.176, slightly lower than diamond's 2.417Cut: Cubic zirconia cuts slightly differently than diamonds due to the difference in refractive indexLook carefully under a magnifying glass to findDelivery Quantity: 100 PiecesSize: 3.0mm