Swarovski 2493 Chessboard Flat Back Crystal 8mm 10mm 12mm 20mm por | ago 8, 2026💎 Swarovski 2493 Chessboard Flat Back Crystal. • Shape: Chessboard. • Bold chessboard faceting pattern. • Model: 2493. Genuine Swarovski crystal made in Austria. • 20mm – 1 piece. 20mm size includes 1 piece only.