Rough stone for faceting - Sapphire Padparadscha Czochralski (Pulled) lab grown 25-29ct

Lab-created Sapphire Growing method: Czochralski Czochralski, or another name Pulled, process carries the same physical and chemical properties as natural sapphires. Advantages of the Czochralski method: the method allows to grow a bigger size and better clarity crystals that rarely can be found in nature. Comparing to flame fusion method, crystals grown by Czochralski method almost don't have air bubbles. Color:: Padparadscha Clarity: loupe clear Size: L15.1-16.2 x W 10.7-11.1 x H7.4-8.0mm Weight: 27-29ct Formula Al2O3 Mohs Hardness 9.0 (Mohs) Crystal system Trigonal Refractive Index 1.757 - 1.779 Specific gravity 3.95–4.10 For wholesale, please send request with desired quantity and size