Acrylic Rhinestone Cabochons, Faceted, Flat Round, Gold. Size: about 12mm in diameter, 3.5mm thick. These acrylic rhinestone cabochons have flat backs and faceted front side. Adding brilliance and flash to your Jewelry design. Cabochons magnify designs and patterns when placed on top of paper or fabric, other flat pad findings or cabochon settings. So buy this and Save 30% OFF 200 pcs Gold Flat Round Acrylic Rhinestone Cabochons for $1.12 @PandaHall.