All kinds of blank crystals can be supplied upon order-base, including crystal cube, crystal rectangle, and other special shape crystals. The blank crystals with superior quality will make the engraving graphics more clear and visional and fantastic, those with inferior quality will affect the final engraving effect. All the blank crystals will be made of K9 crystal Class I. No air bubble, no scratch, no ripple. Contact us, offer you the best quality and the best price.