Swarovski 2493 Chessboard Flatback Rhinestones sparkle more than any we've ever seen! This rhinestone is covered in small facets! This is called the Chessboard flatback. A great choice for your next rhinestone project. We are fully stocked in Swarovski 2493 Chessboard Rhinestones! Swarovski 2493 shown here in Crystal Black Patina.