Looking to ride out the pandemic in style? A jewelry company is working on the world’s most expensive facemask.  The mask is made from 18-karat white gold and encrusted with 3,600 black diamonds – along with a top-of-the-line N99 filter for extra protection. The price tag? A cool $1.5 million. Of course, it’s not the most practical facemask in the world, weighing more than half a pound. Designer Isaac Levy says he already has a buyer lined up – a Chinese businessman who lives in the U.S.